Finding the Fourth Proportional to 755,586, 1,042,708.68 and 416,053.44
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Solution
The fourth proportional to 755,586, 1,042,708.68 and 416,053.44 is: 574,153.75
Step by Step Solution
- Step 1: Write the proportion equation
755,586 : 1,042,708.68 = 416,053.44 : x - Step 2: Convert to fraction form
755,586/1,042,708.68 = 416,053.44/x - Step 3: Cross multiply
755,586x = 1,042,708.68 × 416,053.44 - Step 4: Simplify right side
755,586x = 433,822,533,231.86 - Step 5: Solve for x
x = 433,822,533,231.86/755,586 - Step 6: Final answer
x = 574,153.75
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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.