Home / 752,519.92-1,038,442.80-412,993.84

Finding the Fourth Proportional to 752,519.92, 1,038,442.80 and 412,993.84

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Solution

The fourth proportional to 752,519.92, 1,038,442.80 and 412,993.84 is: 569,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,519.92 : 1,038,442.80 = 412,993.84 : x
  2. Step 2: Convert to fraction form
    752,519.92/1,038,442.80 = 412,993.84/x
  3. Step 3: Cross multiply
    752,519.92x = 1,038,442.80 × 412,993.84
  4. Step 4: Simplify right side
    752,519.92x = 428,870,479,592.35
  5. Step 5: Solve for x
    x = 428,870,479,592.35/752,519.92
  6. Step 6: Final answer
    x = 569,912.46

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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.