Home / 454,121.10-681,181.65-243,650.70

Finding the Fourth Proportional to 454,121.10, 681,181.65 and 243,650.70

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Solution

The fourth proportional to 454,121.10, 681,181.65 and 243,650.70 is: 365,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,121.10 : 681,181.65 = 243,650.70 : x
  2. Step 2: Convert to fraction form
    454,121.10/681,181.65 = 243,650.70/x
  3. Step 3: Cross multiply
    454,121.10x = 681,181.65 × 243,650.70
  4. Step 4: Simplify right side
    454,121.10x = 165,970,385,849.66
  5. Step 5: Solve for x
    x = 165,970,385,849.66/454,121.10
  6. Step 6: Final answer
    x = 365,476.05

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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.