Home / 461,517.12-636,901.92-270,668.16

Finding the Fourth Proportional to 461,517.12, 636,901.92 and 270,668.16

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Solution

The fourth proportional to 461,517.12, 636,901.92 and 270,668.16 is: 373,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,517.12 : 636,901.92 = 270,668.16 : x
  2. Step 2: Convert to fraction form
    461,517.12/636,901.92 = 270,668.16/x
  3. Step 3: Cross multiply
    461,517.12x = 636,901.92 × 270,668.16
  4. Step 4: Simplify right side
    461,517.12x = 172,389,070,786.87
  5. Step 5: Solve for x
    x = 172,389,070,786.87/461,517.12
  6. Step 6: Final answer
    x = 373,526.93

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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.