Home / 868,543.23-1,198,589.77-481,383.65

Finding the Fourth Proportional to 868,543.23, 1,198,589.77 and 481,383.65

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Solution

The fourth proportional to 868,543.23, 1,198,589.77 and 481,383.65 is: 664,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,543.23 : 1,198,589.77 = 481,383.65 : x
  2. Step 2: Convert to fraction form
    868,543.23/1,198,589.77 = 481,383.65/x
  3. Step 3: Cross multiply
    868,543.23x = 1,198,589.77 × 481,383.65
  4. Step 4: Simplify right side
    868,543.23x = 576,981,512,944.04
  5. Step 5: Solve for x
    x = 576,981,512,944.04/868,543.23
  6. Step 6: Final answer
    x = 664,309.49

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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.