Home / 481,261.10-664,199.67-274,580.37

Finding the Fourth Proportional to 481,261.10, 664,199.67 and 274,580.37

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Solution

The fourth proportional to 481,261.10, 664,199.67 and 274,580.37 is: 378,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,261.10 : 664,199.67 = 274,580.37 : x
  2. Step 2: Convert to fraction form
    481,261.10/664,199.67 = 274,580.37/x
  3. Step 3: Cross multiply
    481,261.10x = 664,199.67 × 274,580.37
  4. Step 4: Simplify right side
    481,261.10x = 182,376,191,142.48
  5. Step 5: Solve for x
    x = 182,376,191,142.48/481,261.10
  6. Step 6: Final answer
    x = 378,954.78

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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.