Finding the Fourth Proportional to 742,562.08, 1,024,708.26 and 403,023.04
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Solution
The fourth proportional to 742,562.08, 1,024,708.26 and 403,023.04 is: 556,156.92
Step by Step Solution
- Step 1: Write the proportion equation
742,562.08 : 1,024,708.26 = 403,023.04 : x - Step 2: Convert to fraction form
742,562.08/1,024,708.26 = 403,023.04/x - Step 3: Cross multiply
742,562.08x = 1,024,708.26 × 403,023.04 - Step 4: Simplify right side
742,562.08x = 412,981,038,058.31 - Step 5: Solve for x
x = 412,981,038,058.31/742,562.08 - Step 6: Final answer
x = 556,156.92
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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.