Home / 798,154.38-1,196,191.94-324,285.75

Finding the Fourth Proportional to 798,154.38, 1,196,191.94 and 324,285.75

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Solution

The fourth proportional to 798,154.38, 1,196,191.94 and 324,285.75 is: 486,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,154.38 : 1,196,191.94 = 324,285.75 : x
  2. Step 2: Convert to fraction form
    798,154.38/1,196,191.94 = 324,285.75/x
  3. Step 3: Cross multiply
    798,154.38x = 1,196,191.94 × 324,285.75
  4. Step 4: Simplify right side
    798,154.38x = 387,907,998,785.43
  5. Step 5: Solve for x
    x = 387,907,998,785.43/798,154.38
  6. Step 6: Final answer
    x = 486,006.23

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.