Home / 455,844.44-629,061.90-251,909.12

Finding the Fourth Proportional to 455,844.44, 629,061.90 and 251,909.12

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Solution

The fourth proportional to 455,844.44, 629,061.90 and 251,909.12 is: 347,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,844.44 : 629,061.90 = 251,909.12 : x
  2. Step 2: Convert to fraction form
    455,844.44/629,061.90 = 251,909.12/x
  3. Step 3: Cross multiply
    455,844.44x = 629,061.90 × 251,909.12
  4. Step 4: Simplify right side
    455,844.44x = 158,466,429,654.53
  5. Step 5: Solve for x
    x = 158,466,429,654.53/455,844.44
  6. Step 6: Final answer
    x = 347,632.69

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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.