Home / 620,238.24-929,766.87-199,218.96

Finding the Fourth Proportional to 620,238.24, 929,766.87 and 199,218.96

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Solution

The fourth proportional to 620,238.24, 929,766.87 and 199,218.96 is: 298,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,238.24 : 929,766.87 = 199,218.96 : x
  2. Step 2: Convert to fraction form
    620,238.24/929,766.87 = 199,218.96/x
  3. Step 3: Cross multiply
    620,238.24x = 929,766.87 × 199,218.96
  4. Step 4: Simplify right side
    620,238.24x = 185,227,188,883.86
  5. Step 5: Solve for x
    x = 185,227,188,883.86/620,238.24
  6. Step 6: Final answer
    x = 298,638.78

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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.