Home / 767,738.57-1,150,673.92-543,163.75

Finding the Fourth Proportional to 767,738.57, 1,150,673.92 and 543,163.75

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Solution

The fourth proportional to 767,738.57, 1,150,673.92 and 543,163.75 is: 814,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,738.57 : 1,150,673.92 = 543,163.75 : x
  2. Step 2: Convert to fraction form
    767,738.57/1,150,673.92 = 543,163.75/x
  3. Step 3: Cross multiply
    767,738.57x = 1,150,673.92 × 543,163.75
  4. Step 4: Simplify right side
    767,738.57x = 625,004,357,179.81
  5. Step 5: Solve for x
    x = 625,004,357,179.81/767,738.57
  6. Step 6: Final answer
    x = 814,084.88

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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.