Home / 621,180.50-931,791.48-171,863.78

Finding the Fourth Proportional to 621,180.50, 931,791.48 and 171,863.78

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Solution

The fourth proportional to 621,180.50, 931,791.48 and 171,863.78 is: 257,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,180.50 : 931,791.48 = 171,863.78 : x
  2. Step 2: Convert to fraction form
    621,180.50/931,791.48 = 171,863.78/x
  3. Step 3: Cross multiply
    621,180.50x = 931,791.48 × 171,863.78
  4. Step 4: Simplify right side
    621,180.50x = 160,141,205,924.59
  5. Step 5: Solve for x
    x = 160,141,205,924.59/621,180.50
  6. Step 6: Final answer
    x = 257,801.41

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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.