Home / 1,198,198.16-1,797,549.76-388,519.48

Finding the Fourth Proportional to 1,198,198.16, 1,797,549.76 and 388,519.48

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Solution

The fourth proportional to 1,198,198.16, 1,797,549.76 and 388,519.48 is: 582,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,198.16 : 1,797,549.76 = 388,519.48 : x
  2. Step 2: Convert to fraction form
    1,198,198.16/1,797,549.76 = 388,519.48/x
  3. Step 3: Cross multiply
    1,198,198.16x = 1,797,549.76 × 388,519.48
  4. Step 4: Simplify right side
    1,198,198.16x = 698,383,098,029.33
  5. Step 5: Solve for x
    x = 698,383,098,029.33/1,198,198.16
  6. Step 6: Final answer
    x = 582,861.10

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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.