Home / 419,207.62-578,581.97-247,115.33

Finding the Fourth Proportional to 419,207.62, 578,581.97 and 247,115.33

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Solution

The fourth proportional to 419,207.62, 578,581.97 and 247,115.33 is: 341,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,207.62 : 578,581.97 = 247,115.33 : x
  2. Step 2: Convert to fraction form
    419,207.62/578,581.97 = 247,115.33/x
  3. Step 3: Cross multiply
    419,207.62x = 578,581.97 × 247,115.33
  4. Step 4: Simplify right side
    419,207.62x = 142,976,470,320.11
  5. Step 5: Solve for x
    x = 142,976,470,320.11/419,207.62
  6. Step 6: Final answer
    x = 341,063.62

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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.