Home / 694,336.40-1,040,986.20-379,149.20

Finding the Fourth Proportional to 694,336.40, 1,040,986.20 and 379,149.20

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Solution

The fourth proportional to 694,336.40, 1,040,986.20 and 379,149.20 is: 568,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,336.40 : 1,040,986.20 = 379,149.20 : x
  2. Step 2: Convert to fraction form
    694,336.40/1,040,986.20 = 379,149.20/x
  3. Step 3: Cross multiply
    694,336.40x = 1,040,986.20 × 379,149.20
  4. Step 4: Simplify right side
    694,336.40x = 394,689,084,941.04
  5. Step 5: Solve for x
    x = 394,689,084,941.04/694,336.40
  6. Step 6: Final answer
    x = 568,440.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.