Home / 752,301.46-1,038,195.12-412,769.62

Finding the Fourth Proportional to 752,301.46, 1,038,195.12 and 412,769.62

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Solution

The fourth proportional to 752,301.46, 1,038,195.12 and 412,769.62 is: 569,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,301.46 : 1,038,195.12 = 412,769.62 : x
  2. Step 2: Convert to fraction form
    752,301.46/1,038,195.12 = 412,769.62/x
  3. Step 3: Cross multiply
    752,301.46x = 1,038,195.12 × 412,769.62
  4. Step 4: Simplify right side
    752,301.46x = 428,535,405,168.25
  5. Step 5: Solve for x
    x = 428,535,405,168.25/752,301.46
  6. Step 6: Final answer
    x = 569,632.56

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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.