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Finding the Fourth Proportional to 1,419,073.04, 1,959,949.87 and 1,033,605.78

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Solution

The fourth proportional to 1,419,073.04, 1,959,949.87 and 1,033,605.78 is: 1,427,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,073.04 : 1,959,949.87 = 1,033,605.78 : x
  2. Step 2: Convert to fraction form
    1,419,073.04/1,959,949.87 = 1,033,605.78/x
  3. Step 3: Cross multiply
    1,419,073.04x = 1,959,949.87 × 1,033,605.78
  4. Step 4: Simplify right side
    1,419,073.04x = 2,025,815,516,458.11
  5. Step 5: Solve for x
    x = 2,025,815,516,458.11/1,419,073.04
  6. Step 6: Final answer
    x = 1,427,562.54

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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.