Home / 465,183.76-641,969.09-261,270.61

Finding the Fourth Proportional to 465,183.76, 641,969.09 and 261,270.61

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Solution

The fourth proportional to 465,183.76, 641,969.09 and 261,270.61 is: 360,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,183.76 : 641,969.09 = 261,270.61 : x
  2. Step 2: Convert to fraction form
    465,183.76/641,969.09 = 261,270.61/x
  3. Step 3: Cross multiply
    465,183.76x = 641,969.09 × 261,270.61
  4. Step 4: Simplify right side
    465,183.76x = 167,727,658,894.66
  5. Step 5: Solve for x
    x = 167,727,658,894.66/465,183.76
  6. Step 6: Final answer
    x = 360,562.16

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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.