Home / 979,361.92-1,469,049.36-269,464.96

Finding the Fourth Proportional to 979,361.92, 1,469,049.36 and 269,464.96

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Solution

The fourth proportional to 979,361.92, 1,469,049.36 and 269,464.96 is: 404,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,361.92 : 1,469,049.36 = 269,464.96 : x
  2. Step 2: Convert to fraction form
    979,361.92/1,469,049.36 = 269,464.96/x
  3. Step 3: Cross multiply
    979,361.92x = 1,469,049.36 × 269,464.96
  4. Step 4: Simplify right side
    979,361.92x = 395,857,327,030.43
  5. Step 5: Solve for x
    x = 395,857,327,030.43/979,361.92
  6. Step 6: Final answer
    x = 404,199.22

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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.