Home / 651,287.98-976,959.31-177,971.97

Finding the Fourth Proportional to 651,287.98, 976,959.31 and 177,971.97

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Solution

The fourth proportional to 651,287.98, 976,959.31 and 177,971.97 is: 266,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,287.98 : 976,959.31 = 177,971.97 : x
  2. Step 2: Convert to fraction form
    651,287.98/976,959.31 = 177,971.97/x
  3. Step 3: Cross multiply
    651,287.98x = 976,959.31 × 177,971.97
  4. Step 4: Simplify right side
    651,287.98x = 173,871,373,010.54
  5. Step 5: Solve for x
    x = 173,871,373,010.54/651,287.98
  6. Step 6: Final answer
    x = 266,965.43

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.