Home / 493,296.47-680,287.13-327,431.09

Finding the Fourth Proportional to 493,296.47, 680,287.13 and 327,431.09

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Solution

The fourth proportional to 493,296.47, 680,287.13 and 327,431.09 is: 451,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,296.47 : 680,287.13 = 327,431.09 : x
  2. Step 2: Convert to fraction form
    493,296.47/680,287.13 = 327,431.09/x
  3. Step 3: Cross multiply
    493,296.47x = 680,287.13 × 327,431.09
  4. Step 4: Simplify right side
    493,296.47x = 222,747,151,450.28
  5. Step 5: Solve for x
    x = 222,747,151,450.28/493,296.47
  6. Step 6: Final answer
    x = 451,548.24

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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.