Home / 1,387,348.40-1,914,526.33-814,277.86

Finding the Fourth Proportional to 1,387,348.40, 1,914,526.33 and 814,277.86

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Solution

The fourth proportional to 1,387,348.40, 1,914,526.33 and 814,277.86 is: 1,123,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,348.40 : 1,914,526.33 = 814,277.86 : x
  2. Step 2: Convert to fraction form
    1,387,348.40/1,914,526.33 = 814,277.86/x
  3. Step 3: Cross multiply
    1,387,348.40x = 1,914,526.33 × 814,277.86
  4. Step 4: Simplify right side
    1,387,348.40x = 1,558,956,396,084.04
  5. Step 5: Solve for x
    x = 1,558,956,396,084.04/1,387,348.40
  6. Step 6: Final answer
    x = 1,123,694.95

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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.