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Finding the Fourth Proportional to 981,152.76, 1,354,039.02 and 599,117.88

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Solution

The fourth proportional to 981,152.76, 1,354,039.02 and 599,117.88 is: 826,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,152.76 : 1,354,039.02 = 599,117.88 : x
  2. Step 2: Convert to fraction form
    981,152.76/1,354,039.02 = 599,117.88/x
  3. Step 3: Cross multiply
    981,152.76x = 1,354,039.02 × 599,117.88
  4. Step 4: Simplify right side
    981,152.76x = 811,228,987,099.68
  5. Step 5: Solve for x
    x = 811,228,987,099.68/981,152.76
  6. Step 6: Final answer
    x = 826,812.11

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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.