Home / 419,611.20-629,416.22-194,848.73

Finding the Fourth Proportional to 419,611.20, 629,416.22 and 194,848.73

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Solution

The fourth proportional to 419,611.20, 629,416.22 and 194,848.73 is: 292,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,611.20 : 629,416.22 = 194,848.73 : x
  2. Step 2: Convert to fraction form
    419,611.20/629,416.22 = 194,848.73/x
  3. Step 3: Cross multiply
    419,611.20x = 629,416.22 × 194,848.73
  4. Step 4: Simplify right side
    419,611.20x = 122,640,948,448.44
  5. Step 5: Solve for x
    x = 122,640,948,448.44/419,611.20
  6. Step 6: Final answer
    x = 292,272.82

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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.