Home / 662,854.20-994,281.30-219,622.20

Finding the Fourth Proportional to 662,854.20, 994,281.30 and 219,622.20

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Solution

The fourth proportional to 662,854.20, 994,281.30 and 219,622.20 is: 329,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,854.20 : 994,281.30 = 219,622.20 : x
  2. Step 2: Convert to fraction form
    662,854.20/994,281.30 = 219,622.20/x
  3. Step 3: Cross multiply
    662,854.20x = 994,281.30 × 219,622.20
  4. Step 4: Simplify right side
    662,854.20x = 218,366,246,524.86
  5. Step 5: Solve for x
    x = 218,366,246,524.86/662,854.20
  6. Step 6: Final answer
    x = 329,433.30

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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.