Home / 494,146.36-682,044.06-324,610.12

Finding the Fourth Proportional to 494,146.36, 682,044.06 and 324,610.12

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Solution

The fourth proportional to 494,146.36, 682,044.06 and 324,610.12 is: 448,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,146.36 : 682,044.06 = 324,610.12 : x
  2. Step 2: Convert to fraction form
    494,146.36/682,044.06 = 324,610.12/x
  3. Step 3: Cross multiply
    494,146.36x = 682,044.06 × 324,610.12
  4. Step 4: Simplify right side
    494,146.36x = 221,398,404,161.89
  5. Step 5: Solve for x
    x = 221,398,404,161.89/494,146.36
  6. Step 6: Final answer
    x = 448,042.16

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Double scale
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Similar ratio
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1.5x scale

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.