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Finding the Fourth Proportional to 1,377,027, 1,900,475.46 and 773,415

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Solution

The fourth proportional to 1,377,027, 1,900,475.46 and 773,415 is: 1,067,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,027 : 1,900,475.46 = 773,415 : x
  2. Step 2: Convert to fraction form
    1,377,027/1,900,475.46 = 773,415/x
  3. Step 3: Cross multiply
    1,377,027x = 1,900,475.46 × 773,415
  4. Step 4: Simplify right side
    1,377,027x = 1,469,856,227,895.90
  5. Step 5: Solve for x
    x = 1,469,856,227,895.90/1,377,027
  6. Step 6: Final answer
    x = 1,067,412.79

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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.