Home / 415,968.25-574,021.11-261,003.07

Finding the Fourth Proportional to 415,968.25, 574,021.11 and 261,003.07

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Solution

The fourth proportional to 415,968.25, 574,021.11 and 261,003.07 is: 360,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,968.25 : 574,021.11 = 261,003.07 : x
  2. Step 2: Convert to fraction form
    415,968.25/574,021.11 = 261,003.07/x
  3. Step 3: Cross multiply
    415,968.25x = 574,021.11 × 261,003.07
  4. Step 4: Simplify right side
    415,968.25x = 149,821,273,466.93
  5. Step 5: Solve for x
    x = 149,821,273,466.93/415,968.25
  6. Step 6: Final answer
    x = 360,174.78

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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.