Home / 629,588.97-868,734.18-353,892.24

Finding the Fourth Proportional to 629,588.97, 868,734.18 and 353,892.24

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Solution

The fourth proportional to 629,588.97, 868,734.18 and 353,892.24 is: 488,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,588.97 : 868,734.18 = 353,892.24 : x
  2. Step 2: Convert to fraction form
    629,588.97/868,734.18 = 353,892.24/x
  3. Step 3: Cross multiply
    629,588.97x = 868,734.18 × 353,892.24
  4. Step 4: Simplify right side
    629,588.97x = 307,438,284,924.76
  5. Step 5: Solve for x
    x = 307,438,284,924.76/629,588.97
  6. Step 6: Final answer
    x = 488,315.87

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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.