Finding the Fourth Proportional to 952,318.05, 1,314,236.81 and 522,613.55
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Solution
The fourth proportional to 952,318.05, 1,314,236.81 and 522,613.55 is: 721,227.50
Step by Step Solution
- Step 1: Write the proportion equation
952,318.05 : 1,314,236.81 = 522,613.55 : x - Step 2: Convert to fraction form
952,318.05/1,314,236.81 = 522,613.55/x - Step 3: Cross multiply
952,318.05x = 1,314,236.81 × 522,613.55 - Step 4: Simplify right side
952,318.05x = 686,837,964,814.78 - Step 5: Solve for x
x = 686,837,964,814.78/952,318.05 - Step 6: Final answer
x = 721,227.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.