Home / 1,786,019.30-2,679,324.15-827,432.90

Finding the Fourth Proportional to 1,786,019.30, 2,679,324.15 and 827,432.90

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Solution

The fourth proportional to 1,786,019.30, 2,679,324.15 and 827,432.90 is: 1,241,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,019.30 : 2,679,324.15 = 827,432.90 : x
  2. Step 2: Convert to fraction form
    1,786,019.30/2,679,324.15 = 827,432.90/x
  3. Step 3: Cross multiply
    1,786,019.30x = 2,679,324.15 × 827,432.90
  4. Step 4: Simplify right side
    1,786,019.30x = 2,216,960,951,474.54
  5. Step 5: Solve for x
    x = 2,216,960,951,474.54/1,786,019.30
  6. Step 6: Final answer
    x = 1,241,286.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.