Home / 419,838.40-629,577.60-195,175.36

Finding the Fourth Proportional to 419,838.40, 629,577.60 and 195,175.36

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Solution

The fourth proportional to 419,838.40, 629,577.60 and 195,175.36 is: 292,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,838.40 : 629,577.60 = 195,175.36 : x
  2. Step 2: Convert to fraction form
    419,838.40/629,577.60 = 195,175.36/x
  3. Step 3: Cross multiply
    419,838.40x = 629,577.60 × 195,175.36
  4. Step 4: Simplify right side
    419,838.40x = 122,878,034,727.94
  5. Step 5: Solve for x
    x = 122,878,034,727.94/419,838.40
  6. Step 6: Final answer
    x = 292,679.36

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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.