Home / 521,936.20-782,904.30-147,962.44

Finding the Fourth Proportional to 521,936.20, 782,904.30 and 147,962.44

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Solution

The fourth proportional to 521,936.20, 782,904.30 and 147,962.44 is: 221,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,936.20 : 782,904.30 = 147,962.44 : x
  2. Step 2: Convert to fraction form
    521,936.20/782,904.30 = 147,962.44/x
  3. Step 3: Cross multiply
    521,936.20x = 782,904.30 × 147,962.44
  4. Step 4: Simplify right side
    521,936.20x = 115,840,430,514.49
  5. Step 5: Solve for x
    x = 115,840,430,514.49/521,936.20
  6. Step 6: Final answer
    x = 221,943.66

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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.