Home / 672,414.01-1,008,778.72-267,630.71

Finding the Fourth Proportional to 672,414.01, 1,008,778.72 and 267,630.71

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Solution

The fourth proportional to 672,414.01, 1,008,778.72 and 267,630.71 is: 401,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,414.01 : 1,008,778.72 = 267,630.71 : x
  2. Step 2: Convert to fraction form
    672,414.01/1,008,778.72 = 267,630.71/x
  3. Step 3: Cross multiply
    672,414.01x = 1,008,778.72 × 267,630.71
  4. Step 4: Simplify right side
    672,414.01x = 269,980,166,919.36
  5. Step 5: Solve for x
    x = 269,980,166,919.36/672,414.01
  6. Step 6: Final answer
    x = 401,508.84

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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.