Home / 449,227.31-619,709.89-267,811.41

Finding the Fourth Proportional to 449,227.31, 619,709.89 and 267,811.41

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Solution

The fourth proportional to 449,227.31, 619,709.89 and 267,811.41 is: 369,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,227.31 : 619,709.89 = 267,811.41 : x
  2. Step 2: Convert to fraction form
    449,227.31/619,709.89 = 267,811.41/x
  3. Step 3: Cross multiply
    449,227.31x = 619,709.89 × 267,811.41
  4. Step 4: Simplify right side
    449,227.31x = 165,965,378,092.79
  5. Step 5: Solve for x
    x = 165,965,378,092.79/449,227.31
  6. Step 6: Final answer
    x = 369,446.32

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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.