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Finding the Fourth Proportional to 1,436,594.48, 1,982,734.44 and 864,213.20

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Solution

The fourth proportional to 1,436,594.48, 1,982,734.44 and 864,213.20 is: 1,192,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,594.48 : 1,982,734.44 = 864,213.20 : x
  2. Step 2: Convert to fraction form
    1,436,594.48/1,982,734.44 = 864,213.20/x
  3. Step 3: Cross multiply
    1,436,594.48x = 1,982,734.44 × 864,213.20
  4. Step 4: Simplify right side
    1,436,594.48x = 1,713,505,275,142.61
  5. Step 5: Solve for x
    x = 1,713,505,275,142.61/1,436,594.48
  6. Step 6: Final answer
    x = 1,192,755.02

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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.