Home / 438,815.53-658,248.81-123,297.04

Finding the Fourth Proportional to 438,815.53, 658,248.81 and 123,297.04

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Solution

The fourth proportional to 438,815.53, 658,248.81 and 123,297.04 is: 184,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,815.53 : 658,248.81 = 123,297.04 : x
  2. Step 2: Convert to fraction form
    438,815.53/658,248.81 = 123,297.04/x
  3. Step 3: Cross multiply
    438,815.53x = 658,248.81 × 123,297.04
  4. Step 4: Simplify right side
    438,815.53x = 81,160,129,856.52
  5. Step 5: Solve for x
    x = 81,160,129,856.52/438,815.53
  6. Step 6: Final answer
    x = 184,952.73

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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.