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Finding the Fourth Proportional to 1,447,591.76, 1,998,711.96 and 965,294

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Solution

The fourth proportional to 1,447,591.76, 1,998,711.96 and 965,294 is: 1,332,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,591.76 : 1,998,711.96 = 965,294 : x
  2. Step 2: Convert to fraction form
    1,447,591.76/1,998,711.96 = 965,294/x
  3. Step 3: Cross multiply
    1,447,591.76x = 1,998,711.96 × 965,294
  4. Step 4: Simplify right side
    1,447,591.76x = 1,929,344,662,716.24
  5. Step 5: Solve for x
    x = 1,929,344,662,716.24/1,447,591.76
  6. Step 6: Final answer
    x = 1,332,796.11

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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.