Home / 755,041.08-1,132,757.64-281,730

Finding the Fourth Proportional to 755,041.08, 1,132,757.64 and 281,730

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Solution

The fourth proportional to 755,041.08, 1,132,757.64 and 281,730 is: 422,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,041.08 : 1,132,757.64 = 281,730 : x
  2. Step 2: Convert to fraction form
    755,041.08/1,132,757.64 = 281,730/x
  3. Step 3: Cross multiply
    755,041.08x = 1,132,757.64 × 281,730
  4. Step 4: Simplify right side
    755,041.08x = 319,131,809,917.20
  5. Step 5: Solve for x
    x = 319,131,809,917.20/755,041.08
  6. Step 6: Final answer
    x = 422,668.14

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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.