Home / 404,072.60-557,617.14-220,310.52

Finding the Fourth Proportional to 404,072.60, 557,617.14 and 220,310.52

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Solution

The fourth proportional to 404,072.60, 557,617.14 and 220,310.52 is: 304,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,072.60 : 557,617.14 = 220,310.52 : x
  2. Step 2: Convert to fraction form
    404,072.60/557,617.14 = 220,310.52/x
  3. Step 3: Cross multiply
    404,072.60x = 557,617.14 × 220,310.52
  4. Step 4: Simplify right side
    404,072.60x = 122,848,922,074.31
  5. Step 5: Solve for x
    x = 122,848,922,074.31/404,072.60
  6. Step 6: Final answer
    x = 304,026.86

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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.