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Finding the Fourth Proportional to 888,276.76, 1,224,711.02 and 741,313.20

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Solution

The fourth proportional to 888,276.76, 1,224,711.02 and 741,313.20 is: 1,022,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,276.76 : 1,224,711.02 = 741,313.20 : x
  2. Step 2: Convert to fraction form
    888,276.76/1,224,711.02 = 741,313.20/x
  3. Step 3: Cross multiply
    888,276.76x = 1,224,711.02 × 741,313.20
  4. Step 4: Simplify right side
    888,276.76x = 907,894,445,311.46
  5. Step 5: Solve for x
    x = 907,894,445,311.46/888,276.76
  6. Step 6: Final answer
    x = 1,022,085.10

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Double scale
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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.