Home / 502,140.13-692,951.15-272,695.61

Finding the Fourth Proportional to 502,140.13, 692,951.15 and 272,695.61

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Solution

The fourth proportional to 502,140.13, 692,951.15 and 272,695.61 is: 376,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,140.13 : 692,951.15 = 272,695.61 : x
  2. Step 2: Convert to fraction form
    502,140.13/692,951.15 = 272,695.61/x
  3. Step 3: Cross multiply
    502,140.13x = 692,951.15 × 272,695.61
  4. Step 4: Simplify right side
    502,140.13x = 188,964,738,963.57
  5. Step 5: Solve for x
    x = 188,964,738,963.57/502,140.13
  6. Step 6: Final answer
    x = 376,318.74

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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.