578.34 is what percent of 838 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 838 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 838, so we can write it down as 100%=838.
4. We know, that x% equals 578.34 of the output value, so we can write it down as x%=578.34.
5. Now we have two simple equations:
1) 100%=838
2) x%=578.34
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=838/578.34
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 578.34 is what percent of 838

100%/x%=838/578.34
(100/x)*x=(838/578.34)*x       - we multiply both sides of the equation by x
100=1.448974651589*x       - we divide both sides of the equation by (1.448974651589) to get x
100/1.448974651589=x
69.014319809069=x
x=69.014319809069

now we have:
578.34 is 69.014319809069% of 838