Home / 475,320.33-655,942.05-274,116.33

Finding the Fourth Proportional to 475,320.33, 655,942.05 and 274,116.33

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Solution

The fourth proportional to 475,320.33, 655,942.05 and 274,116.33 is: 378,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,320.33 : 655,942.05 = 274,116.33 : x
  2. Step 2: Convert to fraction form
    475,320.33/655,942.05 = 274,116.33/x
  3. Step 3: Cross multiply
    475,320.33x = 655,942.05 × 274,116.33
  4. Step 4: Simplify right side
    475,320.33x = 179,804,427,438.68
  5. Step 5: Solve for x
    x = 179,804,427,438.68/475,320.33
  6. Step 6: Final answer
    x = 378,280.53

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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.