Home / 752,245.92-1,038,100.32-412,715.52

Finding the Fourth Proportional to 752,245.92, 1,038,100.32 and 412,715.52

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Solution

The fourth proportional to 752,245.92, 1,038,100.32 and 412,715.52 is: 569,547.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,245.92 : 1,038,100.32 = 412,715.52 : x
  2. Step 2: Convert to fraction form
    752,245.92/1,038,100.32 = 412,715.52/x
  3. Step 3: Cross multiply
    752,245.92x = 1,038,100.32 × 412,715.52
  4. Step 4: Simplify right side
    752,245.92x = 428,440,113,380.97
  5. Step 5: Solve for x
    x = 428,440,113,380.97/752,245.92
  6. Step 6: Final answer
    x = 569,547.94

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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.