Home / 638,632.44-957,948.66-259,759.29

Finding the Fourth Proportional to 638,632.44, 957,948.66 and 259,759.29

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Solution

The fourth proportional to 638,632.44, 957,948.66 and 259,759.29 is: 389,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,632.44 : 957,948.66 = 259,759.29 : x
  2. Step 2: Convert to fraction form
    638,632.44/957,948.66 = 259,759.29/x
  3. Step 3: Cross multiply
    638,632.44x = 957,948.66 × 259,759.29
  4. Step 4: Simplify right side
    638,632.44x = 248,836,067,370.36
  5. Step 5: Solve for x
    x = 248,836,067,370.36/638,632.44
  6. Step 6: Final answer
    x = 389,638.94

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Double scale
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Similar ratio
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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.