Finding the Fourth Proportional to 752,773.71, 1,129,162.17 and 529,134.87
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Solution
The fourth proportional to 752,773.71, 1,129,162.17 and 529,134.87 is: 793,703.43
Step by Step Solution
- Step 1: Write the proportion equation
752,773.71 : 1,129,162.17 = 529,134.87 : x - Step 2: Convert to fraction form
752,773.71/1,129,162.17 = 529,134.87/x - Step 3: Cross multiply
752,773.71x = 1,129,162.17 × 529,134.87 - Step 4: Simplify right side
752,773.71x = 597,479,078,031.87 - Step 5: Solve for x
x = 597,479,078,031.87/752,773.71 - Step 6: Final answer
x = 793,703.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.