Home / 822,986.11-1,234,354.39-223,993.95

Finding the Fourth Proportional to 822,986.11, 1,234,354.39 and 223,993.95

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Solution

The fourth proportional to 822,986.11, 1,234,354.39 and 223,993.95 is: 335,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,986.11 : 1,234,354.39 = 223,993.95 : x
  2. Step 2: Convert to fraction form
    822,986.11/1,234,354.39 = 223,993.95/x
  3. Step 3: Cross multiply
    822,986.11x = 1,234,354.39 × 223,993.95
  4. Step 4: Simplify right side
    822,986.11x = 276,487,915,515.94
  5. Step 5: Solve for x
    x = 276,487,915,515.94/822,986.11
  6. Step 6: Final answer
    x = 335,956.96

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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.