Home / 454,972.10-682,458.15-449,067.20

Finding the Fourth Proportional to 454,972.10, 682,458.15 and 449,067.20

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Solution

The fourth proportional to 454,972.10, 682,458.15 and 449,067.20 is: 673,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,972.10 : 682,458.15 = 449,067.20 : x
  2. Step 2: Convert to fraction form
    454,972.10/682,458.15 = 449,067.20/x
  3. Step 3: Cross multiply
    454,972.10x = 682,458.15 × 449,067.20
  4. Step 4: Simplify right side
    454,972.10x = 306,469,570,537.68
  5. Step 5: Solve for x
    x = 306,469,570,537.68/454,972.10
  6. Step 6: Final answer
    x = 673,600.80

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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.