Home / 451,021.68-676,553.40-251,191.92

Finding the Fourth Proportional to 451,021.68, 676,553.40 and 251,191.92

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Solution

The fourth proportional to 451,021.68, 676,553.40 and 251,191.92 is: 376,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,021.68 : 676,553.40 = 251,191.92 : x
  2. Step 2: Convert to fraction form
    451,021.68/676,553.40 = 251,191.92/x
  3. Step 3: Cross multiply
    451,021.68x = 676,553.40 × 251,191.92
  4. Step 4: Simplify right side
    451,021.68x = 169,944,747,528.53
  5. Step 5: Solve for x
    x = 169,944,747,528.53/451,021.68
  6. Step 6: Final answer
    x = 376,799.51

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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.