Home / 653,949.54-981,111.87-274,675.19

Finding the Fourth Proportional to 653,949.54, 981,111.87 and 274,675.19

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Solution

The fourth proportional to 653,949.54, 981,111.87 and 274,675.19 is: 412,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,949.54 : 981,111.87 = 274,675.19 : x
  2. Step 2: Convert to fraction form
    653,949.54/981,111.87 = 274,675.19/x
  3. Step 3: Cross multiply
    653,949.54x = 981,111.87 × 274,675.19
  4. Step 4: Simplify right side
    653,949.54x = 269,487,084,397.95
  5. Step 5: Solve for x
    x = 269,487,084,397.95/653,949.54
  6. Step 6: Final answer
    x = 412,091.56

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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.