Home / 541,971.20-747,910.12-327,120.32

Finding the Fourth Proportional to 541,971.20, 747,910.12 and 327,120.32

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Solution

The fourth proportional to 541,971.20, 747,910.12 and 327,120.32 is: 451,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,971.20 : 747,910.12 = 327,120.32 : x
  2. Step 2: Convert to fraction form
    541,971.20/747,910.12 = 327,120.32/x
  3. Step 3: Cross multiply
    541,971.20x = 747,910.12 × 327,120.32
  4. Step 4: Simplify right side
    541,971.20x = 244,656,597,785.64
  5. Step 5: Solve for x
    x = 244,656,597,785.64/541,971.20
  6. Step 6: Final answer
    x = 451,419.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.