Home / 395,912.20-593,998.62-263,314.12

Finding the Fourth Proportional to 395,912.20, 593,998.62 and 263,314.12

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Solution

The fourth proportional to 395,912.20, 593,998.62 and 263,314.12 is: 395,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,912.20 : 593,998.62 = 263,314.12 : x
  2. Step 2: Convert to fraction form
    395,912.20/593,998.62 = 263,314.12/x
  3. Step 3: Cross multiply
    395,912.20x = 593,998.62 × 263,314.12
  4. Step 4: Simplify right side
    395,912.20x = 156,408,223,906.51
  5. Step 5: Solve for x
    x = 156,408,223,906.51/395,912.20
  6. Step 6: Final answer
    x = 395,057.85

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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.