Home / 1,231,760.85-1,846,935.77-378,610.53

Finding the Fourth Proportional to 1,231,760.85, 1,846,935.77 and 378,610.53

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Solution

The fourth proportional to 1,231,760.85, 1,846,935.77 and 378,610.53 is: 567,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,760.85 : 1,846,935.77 = 378,610.53 : x
  2. Step 2: Convert to fraction form
    1,231,760.85/1,846,935.77 = 378,610.53/x
  3. Step 3: Cross multiply
    1,231,760.85x = 1,846,935.77 × 378,610.53
  4. Step 4: Simplify right side
    1,231,760.85x = 699,269,328,862.61
  5. Step 5: Solve for x
    x = 699,269,328,862.61/1,231,760.85
  6. Step 6: Final answer
    x = 567,698.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.