Home / 479,040.06-661,053.02-274,947.33

Finding the Fourth Proportional to 479,040.06, 661,053.02 and 274,947.33

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Solution

The fourth proportional to 479,040.06, 661,053.02 and 274,947.33 is: 379,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,040.06 : 661,053.02 = 274,947.33 : x
  2. Step 2: Convert to fraction form
    479,040.06/661,053.02 = 274,947.33/x
  3. Step 3: Cross multiply
    479,040.06x = 661,053.02 × 274,947.33
  4. Step 4: Simplify right side
    479,040.06x = 181,754,761,462.70
  5. Step 5: Solve for x
    x = 181,754,761,462.70/479,040.06
  6. Step 6: Final answer
    x = 379,414.53

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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.