Home / 664,133.22-996,196.41-259,366.50

Finding the Fourth Proportional to 664,133.22, 996,196.41 and 259,366.50

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Solution

The fourth proportional to 664,133.22, 996,196.41 and 259,366.50 is: 389,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,133.22 : 996,196.41 = 259,366.50 : x
  2. Step 2: Convert to fraction form
    664,133.22/996,196.41 = 259,366.50/x
  3. Step 3: Cross multiply
    664,133.22x = 996,196.41 × 259,366.50
  4. Step 4: Simplify right side
    664,133.22x = 258,379,976,174.27
  5. Step 5: Solve for x
    x = 258,379,976,174.27/664,133.22
  6. Step 6: Final answer
    x = 389,048.41

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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.