Home / 993,600.90-1,489,672.35-394,265.70

Finding the Fourth Proportional to 993,600.90, 1,489,672.35 and 394,265.70

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Solution

The fourth proportional to 993,600.90, 1,489,672.35 and 394,265.70 is: 591,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,600.90 : 1,489,672.35 = 394,265.70 : x
  2. Step 2: Convert to fraction form
    993,600.90/1,489,672.35 = 394,265.70/x
  3. Step 3: Cross multiply
    993,600.90x = 1,489,672.35 × 394,265.70
  4. Step 4: Simplify right side
    993,600.90x = 587,326,711,843.40
  5. Step 5: Solve for x
    x = 587,326,711,843.40/993,600.90
  6. Step 6: Final answer
    x = 591,109.28

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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.