Home / 741,010.22-1,022,580.76-418,713.38

Finding the Fourth Proportional to 741,010.22, 1,022,580.76 and 418,713.38

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Solution

The fourth proportional to 741,010.22, 1,022,580.76 and 418,713.38 is: 577,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,010.22 : 1,022,580.76 = 418,713.38 : x
  2. Step 2: Convert to fraction form
    741,010.22/1,022,580.76 = 418,713.38/x
  3. Step 3: Cross multiply
    741,010.22x = 1,022,580.76 × 418,713.38
  4. Step 4: Simplify right side
    741,010.22x = 428,168,246,342.57
  5. Step 5: Solve for x
    x = 428,168,246,342.57/741,010.22
  6. Step 6: Final answer
    x = 577,816.92

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Double scale
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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.