Home / 724,377.48-1,086,571.53-274,977.24

Finding the Fourth Proportional to 724,377.48, 1,086,571.53 and 274,977.24

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Solution

The fourth proportional to 724,377.48, 1,086,571.53 and 274,977.24 is: 412,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,377.48 : 1,086,571.53 = 274,977.24 : x
  2. Step 2: Convert to fraction form
    724,377.48/1,086,571.53 = 274,977.24/x
  3. Step 3: Cross multiply
    724,377.48x = 1,086,571.53 × 274,977.24
  4. Step 4: Simplify right side
    724,377.48x = 298,782,440,381.98
  5. Step 5: Solve for x
    x = 298,782,440,381.98/724,377.48
  6. Step 6: Final answer
    x = 412,467.88

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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.