Home / 723,189.39-998,010.38-417,329.25

Finding the Fourth Proportional to 723,189.39, 998,010.38 and 417,329.25

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Solution

The fourth proportional to 723,189.39, 998,010.38 and 417,329.25 is: 575,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,189.39 : 998,010.38 = 417,329.25 : x
  2. Step 2: Convert to fraction form
    723,189.39/998,010.38 = 417,329.25/x
  3. Step 3: Cross multiply
    723,189.39x = 998,010.38 × 417,329.25
  4. Step 4: Simplify right side
    723,189.39x = 416,498,923,377.62
  5. Step 5: Solve for x
    x = 416,498,923,377.62/723,189.39
  6. Step 6: Final answer
    x = 575,919.57

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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.