Home / 752,424.24-1,038,375.38-412,904.64

Finding the Fourth Proportional to 752,424.24, 1,038,375.38 and 412,904.64

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Solution

The fourth proportional to 752,424.24, 1,038,375.38 and 412,904.64 is: 569,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,424.24 : 1,038,375.38 = 412,904.64 : x
  2. Step 2: Convert to fraction form
    752,424.24/1,038,375.38 = 412,904.64/x
  3. Step 3: Cross multiply
    752,424.24x = 1,038,375.38 × 412,904.64
  4. Step 4: Simplify right side
    752,424.24x = 428,750,012,463.76
  5. Step 5: Solve for x
    x = 428,750,012,463.76/752,424.24
  6. Step 6: Final answer
    x = 569,824.83

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1.5x scale

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.