Home / 477,231.21-658,583.49-262,372.78

Finding the Fourth Proportional to 477,231.21, 658,583.49 and 262,372.78

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Solution

The fourth proportional to 477,231.21, 658,583.49 and 262,372.78 is: 362,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,231.21 : 658,583.49 = 262,372.78 : x
  2. Step 2: Convert to fraction form
    477,231.21/658,583.49 = 262,372.78/x
  3. Step 3: Cross multiply
    477,231.21x = 658,583.49 × 262,372.78
  4. Step 4: Simplify right side
    477,231.21x = 172,794,382,940.53
  5. Step 5: Solve for x
    x = 172,794,382,940.53/477,231.21
  6. Step 6: Final answer
    x = 362,076.87

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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.