Home / 501,180.69-691,660.85-274,826.19

Finding the Fourth Proportional to 501,180.69, 691,660.85 and 274,826.19

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Solution

The fourth proportional to 501,180.69, 691,660.85 and 274,826.19 is: 379,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,180.69 : 691,660.85 = 274,826.19 : x
  2. Step 2: Convert to fraction form
    501,180.69/691,660.85 = 274,826.19/x
  3. Step 3: Cross multiply
    501,180.69x = 691,660.85 × 274,826.19
  4. Step 4: Simplify right side
    501,180.69x = 190,086,514,803.53
  5. Step 5: Solve for x
    x = 190,086,514,803.53/501,180.69
  6. Step 6: Final answer
    x = 379,277.41

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