Home / 441,112.32-661,734.09-204,478.92

Finding the Fourth Proportional to 441,112.32, 661,734.09 and 204,478.92

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Solution

The fourth proportional to 441,112.32, 661,734.09 and 204,478.92 is: 306,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,112.32 : 661,734.09 = 204,478.92 : x
  2. Step 2: Convert to fraction form
    441,112.32/661,734.09 = 204,478.92/x
  3. Step 3: Cross multiply
    441,112.32x = 661,734.09 × 204,478.92
  4. Step 4: Simplify right side
    441,112.32x = 135,310,672,050.38
  5. Step 5: Solve for x
    x = 135,310,672,050.38/441,112.32
  6. Step 6: Final answer
    x = 306,748.79

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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.