Home / 327,711.46-452,000.37-247,142.38

Finding the Fourth Proportional to 327,711.46, 452,000.37 and 247,142.38

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Solution

The fourth proportional to 327,711.46, 452,000.37 and 247,142.38 is: 340,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,711.46 : 452,000.37 = 247,142.38 : x
  2. Step 2: Convert to fraction form
    327,711.46/452,000.37 = 247,142.38/x
  3. Step 3: Cross multiply
    327,711.46x = 452,000.37 × 247,142.38
  4. Step 4: Simplify right side
    327,711.46x = 111,708,447,202.68
  5. Step 5: Solve for x
    x = 111,708,447,202.68/327,711.46
  6. Step 6: Final answer
    x = 340,874.40

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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.