Home / 451,100.52-676,438.83-261,614.70

Finding the Fourth Proportional to 451,100.52, 676,438.83 and 261,614.70

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Solution

The fourth proportional to 451,100.52, 676,438.83 and 261,614.70 is: 392,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,100.52 : 676,438.83 = 261,614.70 : x
  2. Step 2: Convert to fraction form
    451,100.52/676,438.83 = 261,614.70/x
  3. Step 3: Cross multiply
    451,100.52x = 676,438.83 × 261,614.70
  4. Step 4: Simplify right side
    451,100.52x = 176,966,341,578.80
  5. Step 5: Solve for x
    x = 176,966,341,578.80/451,100.52
  6. Step 6: Final answer
    x = 392,299.13

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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.