Home / 744,357.96-1,026,982.26-422,042.76

Finding the Fourth Proportional to 744,357.96, 1,026,982.26 and 422,042.76

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Solution

The fourth proportional to 744,357.96, 1,026,982.26 and 422,042.76 is: 582,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,357.96 : 1,026,982.26 = 422,042.76 : x
  2. Step 2: Convert to fraction form
    744,357.96/1,026,982.26 = 422,042.76/x
  3. Step 3: Cross multiply
    744,357.96x = 1,026,982.26 × 422,042.76
  4. Step 4: Simplify right side
    744,357.96x = 433,430,427,481.44
  5. Step 5: Solve for x
    x = 433,430,427,481.44/744,357.96
  6. Step 6: Final answer
    x = 582,287.62

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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.