Home / 521,156.36-781,849.29-296,622.47

Finding the Fourth Proportional to 521,156.36, 781,849.29 and 296,622.47

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Solution

The fourth proportional to 521,156.36, 781,849.29 and 296,622.47 is: 444,999.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,156.36 : 781,849.29 = 296,622.47 : x
  2. Step 2: Convert to fraction form
    521,156.36/781,849.29 = 296,622.47/x
  3. Step 3: Cross multiply
    521,156.36x = 781,849.29 × 296,622.47
  4. Step 4: Simplify right side
    521,156.36x = 231,914,067,567.55
  5. Step 5: Solve for x
    x = 231,914,067,567.55/521,156.36
  6. Step 6: Final answer
    x = 444,999.02

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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.