Home / 1,246,760.56-1,719,731.68-864,647.92

Finding the Fourth Proportional to 1,246,760.56, 1,719,731.68 and 864,647.92

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Solution

The fourth proportional to 1,246,760.56, 1,719,731.68 and 864,647.92 is: 1,192,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,760.56 : 1,719,731.68 = 864,647.92 : x
  2. Step 2: Convert to fraction form
    1,246,760.56/1,719,731.68 = 864,647.92/x
  3. Step 3: Cross multiply
    1,246,760.56x = 1,719,731.68 × 864,647.92
  4. Step 4: Simplify right side
    1,246,760.56x = 1,486,962,420,070.11
  5. Step 5: Solve for x
    x = 1,486,962,420,070.11/1,246,760.56
  6. Step 6: Final answer
    x = 1,192,660.78

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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.