Home / 619,496.82-928,694.70-220,084.92

Finding the Fourth Proportional to 619,496.82, 928,694.70 and 220,084.92

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Solution

The fourth proportional to 619,496.82, 928,694.70 and 220,084.92 is: 329,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,496.82 : 928,694.70 = 220,084.92 : x
  2. Step 2: Convert to fraction form
    619,496.82/928,694.70 = 220,084.92/x
  3. Step 3: Cross multiply
    619,496.82x = 928,694.70 × 220,084.92
  4. Step 4: Simplify right side
    619,496.82x = 204,391,698,753.92
  5. Step 5: Solve for x
    x = 204,391,698,753.92/619,496.82
  6. Step 6: Final answer
    x = 329,931.80

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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.