Home / 352,006.20-527,231.70-272,863.80

Finding the Fourth Proportional to 352,006.20, 527,231.70 and 272,863.80

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Solution

The fourth proportional to 352,006.20, 527,231.70 and 272,863.80 is: 408,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,006.20 : 527,231.70 = 272,863.80 : x
  2. Step 2: Convert to fraction form
    352,006.20/527,231.70 = 272,863.80/x
  3. Step 3: Cross multiply
    352,006.20x = 527,231.70 × 272,863.80
  4. Step 4: Simplify right side
    352,006.20x = 143,862,445,142.46
  5. Step 5: Solve for x
    x = 143,862,445,142.46/352,006.20
  6. Step 6: Final answer
    x = 408,692.93

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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.