Home / 455,903.04-629,126.82-251,961.60

Finding the Fourth Proportional to 455,903.04, 629,126.82 and 251,961.60

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Solution

The fourth proportional to 455,903.04, 629,126.82 and 251,961.60 is: 347,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,903.04 : 629,126.82 = 251,961.60 : x
  2. Step 2: Convert to fraction form
    455,903.04/629,126.82 = 251,961.60/x
  3. Step 3: Cross multiply
    455,903.04x = 629,126.82 × 251,961.60
  4. Step 4: Simplify right side
    455,903.04x = 158,515,800,170.11
  5. Step 5: Solve for x
    x = 158,515,800,170.11/455,903.04
  6. Step 6: Final answer
    x = 347,696.30

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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.