Home / 419,827.44-629,738.82-104,284.20

Finding the Fourth Proportional to 419,827.44, 629,738.82 and 104,284.20

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Solution

The fourth proportional to 419,827.44, 629,738.82 and 104,284.20 is: 156,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,827.44 : 629,738.82 = 104,284.20 : x
  2. Step 2: Convert to fraction form
    419,827.44/629,738.82 = 104,284.20/x
  3. Step 3: Cross multiply
    419,827.44x = 629,738.82 × 104,284.20
  4. Step 4: Simplify right side
    419,827.44x = 65,671,809,052.64
  5. Step 5: Solve for x
    x = 65,671,809,052.64/419,827.44
  6. Step 6: Final answer
    x = 156,425.72

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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.