Home / 758,858.80-1,138,288.20-197,893.30

Finding the Fourth Proportional to 758,858.80, 1,138,288.20 and 197,893.30

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Solution

The fourth proportional to 758,858.80, 1,138,288.20 and 197,893.30 is: 296,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,858.80 : 1,138,288.20 = 197,893.30 : x
  2. Step 2: Convert to fraction form
    758,858.80/1,138,288.20 = 197,893.30/x
  3. Step 3: Cross multiply
    758,858.80x = 1,138,288.20 × 197,893.30
  4. Step 4: Simplify right side
    758,858.80x = 225,259,608,249.06
  5. Step 5: Solve for x
    x = 225,259,608,249.06/758,858.80
  6. Step 6: Final answer
    x = 296,839.95

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Double scale
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Similar ratio
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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.