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Finding the Fourth Proportional to 1,877,747.32, 2,591,400.90 and 1,062,023.32

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Solution

The fourth proportional to 1,877,747.32, 2,591,400.90 and 1,062,023.32 is: 1,465,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,747.32 : 2,591,400.90 = 1,062,023.32 : x
  2. Step 2: Convert to fraction form
    1,877,747.32/2,591,400.90 = 1,062,023.32/x
  3. Step 3: Cross multiply
    1,877,747.32x = 2,591,400.90 × 1,062,023.32
  4. Step 4: Simplify right side
    1,877,747.32x = 2,752,128,187,268.99
  5. Step 5: Solve for x
    x = 2,752,128,187,268.99/1,877,747.32
  6. Step 6: Final answer
    x = 1,465,654.17

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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.