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Finding the Fourth Proportional to 858,069, 1,179,936.18 and 744,694.92

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Solution

The fourth proportional to 858,069, 1,179,936.18 and 744,694.92 is: 1,024,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,069 : 1,179,936.18 = 744,694.92 : x
  2. Step 2: Convert to fraction form
    858,069/1,179,936.18 = 744,694.92/x
  3. Step 3: Cross multiply
    858,069x = 1,179,936.18 × 744,694.92
  4. Step 4: Simplify right side
    858,069x = 878,692,479,170.21
  5. Step 5: Solve for x
    x = 878,692,479,170.21/858,069
  6. Step 6: Final answer
    x = 1,024,034.76

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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.