Home / 752,680.15-1,038,660.48-446,769.88

Finding the Fourth Proportional to 752,680.15, 1,038,660.48 and 446,769.88

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Solution

The fourth proportional to 752,680.15, 1,038,660.48 and 446,769.88 is: 616,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,680.15 : 1,038,660.48 = 446,769.88 : x
  2. Step 2: Convert to fraction form
    752,680.15/1,038,660.48 = 446,769.88/x
  3. Step 3: Cross multiply
    752,680.15x = 1,038,660.48 × 446,769.88
  4. Step 4: Simplify right side
    752,680.15x = 464,042,218,010.34
  5. Step 5: Solve for x
    x = 464,042,218,010.34/752,680.15
  6. Step 6: Final answer
    x = 616,519.80

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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.