Home / 629,589.97-868,735.56-353,893.24

Finding the Fourth Proportional to 629,589.97, 868,735.56 and 353,893.24

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Solution

The fourth proportional to 629,589.97, 868,735.56 and 353,893.24 is: 488,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,589.97 : 868,735.56 = 353,893.24 : x
  2. Step 2: Convert to fraction form
    629,589.97/868,735.56 = 353,893.24/x
  3. Step 3: Cross multiply
    629,589.97x = 868,735.56 × 353,893.24
  4. Step 4: Simplify right side
    629,589.97x = 307,439,642,031.61
  5. Step 5: Solve for x
    x = 307,439,642,031.61/629,589.97
  6. Step 6: Final answer
    x = 488,317.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.