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Finding the Fourth Proportional to 981,651.98, 1,354,920.28 and 599,998.70

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Solution

The fourth proportional to 981,651.98, 1,354,920.28 and 599,998.70 is: 828,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,651.98 : 1,354,920.28 = 599,998.70 : x
  2. Step 2: Convert to fraction form
    981,651.98/1,354,920.28 = 599,998.70/x
  3. Step 3: Cross multiply
    981,651.98x = 1,354,920.28 × 599,998.70
  4. Step 4: Simplify right side
    981,651.98x = 812,950,398,329.04
  5. Step 5: Solve for x
    x = 812,950,398,329.04/981,651.98
  6. Step 6: Final answer
    x = 828,145.23

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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.