Home / 481,488.25-721,962.24-329,856.61

Finding the Fourth Proportional to 481,488.25, 721,962.24 and 329,856.61

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Solution

The fourth proportional to 481,488.25, 721,962.24 and 329,856.61 is: 494,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,488.25 : 721,962.24 = 329,856.61 : x
  2. Step 2: Convert to fraction form
    481,488.25/721,962.24 = 329,856.61/x
  3. Step 3: Cross multiply
    481,488.25x = 721,962.24 × 329,856.61
  4. Step 4: Simplify right side
    481,488.25x = 238,144,017,034.41
  5. Step 5: Solve for x
    x = 238,144,017,034.41/481,488.25
  6. Step 6: Final answer
    x = 494,599.85

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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.