Home / 381,929.14-527,077.17-261,323.38

Finding the Fourth Proportional to 381,929.14, 527,077.17 and 261,323.38

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Solution

The fourth proportional to 381,929.14, 527,077.17 and 261,323.38 is: 360,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,929.14 : 527,077.17 = 261,323.38 : x
  2. Step 2: Convert to fraction form
    381,929.14/527,077.17 = 261,323.38/x
  3. Step 3: Cross multiply
    381,929.14x = 527,077.17 × 261,323.38
  4. Step 4: Simplify right side
    381,929.14x = 137,737,587,585.24
  5. Step 5: Solve for x
    x = 137,737,587,585.24/381,929.14
  6. Step 6: Final answer
    x = 360,636.50

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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.