Home / 663,026.20-994,539.30-219,794.20

Finding the Fourth Proportional to 663,026.20, 994,539.30 and 219,794.20

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Solution

The fourth proportional to 663,026.20, 994,539.30 and 219,794.20 is: 329,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,026.20 : 994,539.30 = 219,794.20 : x
  2. Step 2: Convert to fraction form
    663,026.20/994,539.30 = 219,794.20/x
  3. Step 3: Cross multiply
    663,026.20x = 994,539.30 × 219,794.20
  4. Step 4: Simplify right side
    663,026.20x = 218,593,969,812.06
  5. Step 5: Solve for x
    x = 218,593,969,812.06/663,026.20
  6. Step 6: Final answer
    x = 329,691.30

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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.