Home / 500,961.94-691,371.23-274,651.18

Finding the Fourth Proportional to 500,961.94, 691,371.23 and 274,651.18

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Solution

The fourth proportional to 500,961.94, 691,371.23 and 274,651.18 is: 379,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,961.94 : 691,371.23 = 274,651.18 : x
  2. Step 2: Convert to fraction form
    500,961.94/691,371.23 = 274,651.18/x
  3. Step 3: Cross multiply
    500,961.94x = 691,371.23 × 274,651.18
  4. Step 4: Simplify right side
    500,961.94x = 189,885,921,035.87
  5. Step 5: Solve for x
    x = 189,885,921,035.87/500,961.94
  6. Step 6: Final answer
    x = 379,042.61

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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.