Home / 619,217.19-928,918.13-219,824.52

Finding the Fourth Proportional to 619,217.19, 928,918.13 and 219,824.52

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Solution

The fourth proportional to 619,217.19, 928,918.13 and 219,824.52 is: 329,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,217.19 : 928,918.13 = 219,824.52 : x
  2. Step 2: Convert to fraction form
    619,217.19/928,918.13 = 219,824.52/x
  3. Step 3: Cross multiply
    619,217.19x = 928,918.13 × 219,824.52
  4. Step 4: Simplify right side
    619,217.19x = 204,198,977,463.98
  5. Step 5: Solve for x
    x = 204,198,977,463.98/619,217.19
  6. Step 6: Final answer
    x = 329,769.56

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Double scale
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Similar ratio
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1.5x scale

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.