Home / 621,961.48-932,786.70-178,729.48

Finding the Fourth Proportional to 621,961.48, 932,786.70 and 178,729.48

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Solution

The fourth proportional to 621,961.48, 932,786.70 and 178,729.48 is: 268,049.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,961.48 : 932,786.70 = 178,729.48 : x
  2. Step 2: Convert to fraction form
    621,961.48/932,786.70 = 178,729.48/x
  3. Step 3: Cross multiply
    621,961.48x = 932,786.70 × 178,729.48
  4. Step 4: Simplify right side
    621,961.48x = 166,716,481,841.92
  5. Step 5: Solve for x
    x = 166,716,481,841.92/621,961.48
  6. Step 6: Final answer
    x = 268,049.53

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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.