Home / 465,176.64-641,943.77-261,227.73

Finding the Fourth Proportional to 465,176.64, 641,943.77 and 261,227.73

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Solution

The fourth proportional to 465,176.64, 641,943.77 and 261,227.73 is: 360,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,176.64 : 641,943.77 = 261,227.73 : x
  2. Step 2: Convert to fraction form
    465,176.64/641,943.77 = 261,227.73/x
  3. Step 3: Cross multiply
    465,176.64x = 641,943.77 × 261,227.73
  4. Step 4: Simplify right side
    465,176.64x = 167,693,512,518.60
  5. Step 5: Solve for x
    x = 167,693,512,518.60/465,176.64
  6. Step 6: Final answer
    x = 360,494.27

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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.