Home / 775,363.38-1,161,857.94-521,704.32

Finding the Fourth Proportional to 775,363.38, 1,161,857.94 and 521,704.32

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Solution

The fourth proportional to 775,363.38, 1,161,857.94 and 521,704.32 is: 781,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,363.38 : 1,161,857.94 = 521,704.32 : x
  2. Step 2: Convert to fraction form
    775,363.38/1,161,857.94 = 521,704.32/x
  3. Step 3: Cross multiply
    775,363.38x = 1,161,857.94 × 521,704.32
  4. Step 4: Simplify right side
    775,363.38x = 606,146,306,524.30
  5. Step 5: Solve for x
    x = 606,146,306,524.30/775,363.38
  6. Step 6: Final answer
    x = 781,757.72

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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.