Home / 1,220,251.23-1,829,086.31-451,254.78

Finding the Fourth Proportional to 1,220,251.23, 1,829,086.31 and 451,254.78

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Solution

The fourth proportional to 1,220,251.23, 1,829,086.31 and 451,254.78 is: 676,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,251.23 : 1,829,086.31 = 451,254.78 : x
  2. Step 2: Convert to fraction form
    1,220,251.23/1,829,086.31 = 451,254.78/x
  3. Step 3: Cross multiply
    1,220,251.23x = 1,829,086.31 × 451,254.78
  4. Step 4: Simplify right side
    1,220,251.23x = 825,383,938,163.79
  5. Step 5: Solve for x
    x = 825,383,938,163.79/1,220,251.23
  6. Step 6: Final answer
    x = 676,404.92

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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.