Home / 419,207.12-578,581.27-247,114.83

Finding the Fourth Proportional to 419,207.12, 578,581.27 and 247,114.83

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Solution

The fourth proportional to 419,207.12, 578,581.27 and 247,114.83 is: 341,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,207.12 : 578,581.27 = 247,114.83 : x
  2. Step 2: Convert to fraction form
    419,207.12/578,581.27 = 247,114.83/x
  3. Step 3: Cross multiply
    419,207.12x = 578,581.27 × 247,114.83
  4. Step 4: Simplify right side
    419,207.12x = 142,976,010,063.61
  5. Step 5: Solve for x
    x = 142,976,010,063.61/419,207.12
  6. Step 6: Final answer
    x = 341,062.93

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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.