Home / 823,235.55-1,234,853.33-540,711.60

Finding the Fourth Proportional to 823,235.55, 1,234,853.33 and 540,711.60

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Solution

The fourth proportional to 823,235.55, 1,234,853.33 and 540,711.60 is: 811,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,235.55 : 1,234,853.33 = 540,711.60 : x
  2. Step 2: Convert to fraction form
    823,235.55/1,234,853.33 = 540,711.60/x
  3. Step 3: Cross multiply
    823,235.55x = 1,234,853.33 × 540,711.60
  4. Step 4: Simplify right side
    823,235.55x = 667,699,517,126.07
  5. Step 5: Solve for x
    x = 667,699,517,126.07/823,235.55
  6. Step 6: Final answer
    x = 811,067.40

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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.