Home / 662,862.20-994,293.30-219,630.20

Finding the Fourth Proportional to 662,862.20, 994,293.30 and 219,630.20

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Solution

The fourth proportional to 662,862.20, 994,293.30 and 219,630.20 is: 329,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,862.20 : 994,293.30 = 219,630.20 : x
  2. Step 2: Convert to fraction form
    662,862.20/994,293.30 = 219,630.20/x
  3. Step 3: Cross multiply
    662,862.20x = 994,293.30 × 219,630.20
  4. Step 4: Simplify right side
    662,862.20x = 218,376,836,337.66
  5. Step 5: Solve for x
    x = 218,376,836,337.66/662,862.20
  6. Step 6: Final answer
    x = 329,445.30

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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.