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Finding the Fourth Proportional to 1,363,694.72, 1,881,983.04 and 751,844.48

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Solution

The fourth proportional to 1,363,694.72, 1,881,983.04 and 751,844.48 is: 1,037,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,694.72 : 1,881,983.04 = 751,844.48 : x
  2. Step 2: Convert to fraction form
    1,363,694.72/1,881,983.04 = 751,844.48/x
  3. Step 3: Cross multiply
    1,363,694.72x = 1,881,983.04 × 751,844.48
  4. Step 4: Simplify right side
    1,363,694.72x = 1,414,958,560,077.62
  5. Step 5: Solve for x
    x = 1,414,958,560,077.62/1,363,694.72
  6. Step 6: Final answer
    x = 1,037,591.87

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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.