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Finding the Fourth Proportional to 888,278.76, 1,224,713.78 and 741,315.20

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Solution

The fourth proportional to 888,278.76, 1,224,713.78 and 741,315.20 is: 1,022,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,278.76 : 1,224,713.78 = 741,315.20 : x
  2. Step 2: Convert to fraction form
    888,278.76/1,224,713.78 = 741,315.20/x
  3. Step 3: Cross multiply
    888,278.76x = 1,224,713.78 × 741,315.20
  4. Step 4: Simplify right side
    888,278.76x = 907,898,940,763.46
  5. Step 5: Solve for x
    x = 907,898,940,763.46/888,278.76
  6. Step 6: Final answer
    x = 1,022,087.86

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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.