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Finding the Fourth Proportional to 1,278,229.04, 1,764,595.22 and 794,949.90

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Solution

The fourth proportional to 1,278,229.04, 1,764,595.22 and 794,949.90 is: 1,097,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,229.04 : 1,764,595.22 = 794,949.90 : x
  2. Step 2: Convert to fraction form
    1,278,229.04/1,764,595.22 = 794,949.90/x
  3. Step 3: Cross multiply
    1,278,229.04x = 1,764,595.22 × 794,949.90
  4. Step 4: Simplify right side
    1,278,229.04x = 1,402,764,793,679.48
  5. Step 5: Solve for x
    x = 1,402,764,793,679.48/1,278,229.04
  6. Step 6: Final answer
    x = 1,097,428.36

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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.