Home / 404,151.44-557,742.45-220,400.06

Finding the Fourth Proportional to 404,151.44, 557,742.45 and 220,400.06

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Solution

The fourth proportional to 404,151.44, 557,742.45 and 220,400.06 is: 304,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,151.44 : 557,742.45 = 220,400.06 : x
  2. Step 2: Convert to fraction form
    404,151.44/557,742.45 = 220,400.06/x
  3. Step 3: Cross multiply
    404,151.44x = 557,742.45 × 220,400.06
  4. Step 4: Simplify right side
    404,151.44x = 122,926,469,379.89
  5. Step 5: Solve for x
    x = 122,926,469,379.89/404,151.44
  6. Step 6: Final answer
    x = 304,159.42

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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.