Home / 439,257.14-658,896.51-123,711.92

Finding the Fourth Proportional to 439,257.14, 658,896.51 and 123,711.92

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Solution

The fourth proportional to 439,257.14, 658,896.51 and 123,711.92 is: 185,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,257.14 : 658,896.51 = 123,711.92 : x
  2. Step 2: Convert to fraction form
    439,257.14/658,896.51 = 123,711.92/x
  3. Step 3: Cross multiply
    439,257.14x = 658,896.51 × 123,711.92
  4. Step 4: Simplify right side
    439,257.14x = 81,513,352,333.40
  5. Step 5: Solve for x
    x = 81,513,352,333.40/439,257.14
  6. Step 6: Final answer
    x = 185,570.92

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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.