Home / 823,793.40-1,235,690.10-262,884.60

Finding the Fourth Proportional to 823,793.40, 1,235,690.10 and 262,884.60

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Solution

The fourth proportional to 823,793.40, 1,235,690.10 and 262,884.60 is: 394,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,793.40 : 1,235,690.10 = 262,884.60 : x
  2. Step 2: Convert to fraction form
    823,793.40/1,235,690.10 = 262,884.60/x
  3. Step 3: Cross multiply
    823,793.40x = 1,235,690.10 × 262,884.60
  4. Step 4: Simplify right side
    823,793.40x = 324,843,897,662.46
  5. Step 5: Solve for x
    x = 324,843,897,662.46/823,793.40
  6. Step 6: Final answer
    x = 394,326.90

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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.