Home / 381,926.34-527,039.46-220,766.04

Finding the Fourth Proportional to 381,926.34, 527,039.46 and 220,766.04

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Solution

The fourth proportional to 381,926.34, 527,039.46 and 220,766.04 is: 304,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,926.34 : 527,039.46 = 220,766.04 : x
  2. Step 2: Convert to fraction form
    381,926.34/527,039.46 = 220,766.04/x
  3. Step 3: Cross multiply
    381,926.34x = 527,039.46 × 220,766.04
  4. Step 4: Simplify right side
    381,926.34x = 116,352,414,507.94
  5. Step 5: Solve for x
    x = 116,352,414,507.94/381,926.34
  6. Step 6: Final answer
    x = 304,646.22

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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.