Home / 404,061.22-557,670.27-243,079.03

Finding the Fourth Proportional to 404,061.22, 557,670.27 and 243,079.03

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Solution

The fourth proportional to 404,061.22, 557,670.27 and 243,079.03 is: 335,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,061.22 : 557,670.27 = 243,079.03 : x
  2. Step 2: Convert to fraction form
    404,061.22/557,670.27 = 243,079.03/x
  3. Step 3: Cross multiply
    404,061.22x = 557,670.27 × 243,079.03
  4. Step 4: Simplify right side
    404,061.22x = 135,557,948,291.44
  5. Step 5: Solve for x
    x = 135,557,948,291.44/404,061.22
  6. Step 6: Final answer
    x = 335,488.64

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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.