Home / 456,400.44-629,836.56-255,196.44

Finding the Fourth Proportional to 456,400.44, 629,836.56 and 255,196.44

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Solution

The fourth proportional to 456,400.44, 629,836.56 and 255,196.44 is: 352,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,400.44 : 629,836.56 = 255,196.44 : x
  2. Step 2: Convert to fraction form
    456,400.44/629,836.56 = 255,196.44/x
  3. Step 3: Cross multiply
    456,400.44x = 629,836.56 × 255,196.44
  4. Step 4: Simplify right side
    456,400.44x = 160,732,047,893.85
  5. Step 5: Solve for x
    x = 160,732,047,893.85/456,400.44
  6. Step 6: Final answer
    x = 352,173.30

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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.