Home / 752,101.64-1,037,900.46-412,569.90

Finding the Fourth Proportional to 752,101.64, 1,037,900.46 and 412,569.90

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Solution

The fourth proportional to 752,101.64, 1,037,900.46 and 412,569.90 is: 569,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,101.64 : 1,037,900.46 = 412,569.90 : x
  2. Step 2: Convert to fraction form
    752,101.64/1,037,900.46 = 412,569.90/x
  3. Step 3: Cross multiply
    752,101.64x = 1,037,900.46 × 412,569.90
  4. Step 4: Simplify right side
    752,101.64x = 428,206,488,992.15
  5. Step 5: Solve for x
    x = 428,206,488,992.15/752,101.64
  6. Step 6: Final answer
    x = 569,346.57

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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.