Home / 621,059.89-931,786.77-221,691.82

Finding the Fourth Proportional to 621,059.89, 931,786.77 and 221,691.82

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Solution

The fourth proportional to 621,059.89, 931,786.77 and 221,691.82 is: 332,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,059.89 : 931,786.77 = 221,691.82 : x
  2. Step 2: Convert to fraction form
    621,059.89/931,786.77 = 221,691.82/x
  3. Step 3: Cross multiply
    621,059.89x = 931,786.77 × 221,691.82
  4. Step 4: Simplify right side
    621,059.89x = 206,569,504,893.22
  5. Step 5: Solve for x
    x = 206,569,504,893.22/621,059.89
  6. Step 6: Final answer
    x = 332,608.03

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1.5x scale

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.