Home / 681,011.80-1,021,517.70-444,815.80

Finding the Fourth Proportional to 681,011.80, 1,021,517.70 and 444,815.80

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Solution

The fourth proportional to 681,011.80, 1,021,517.70 and 444,815.80 is: 667,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,011.80 : 1,021,517.70 = 444,815.80 : x
  2. Step 2: Convert to fraction form
    681,011.80/1,021,517.70 = 444,815.80/x
  3. Step 3: Cross multiply
    681,011.80x = 1,021,517.70 × 444,815.80
  4. Step 4: Simplify right side
    681,011.80x = 454,387,212,939.66
  5. Step 5: Solve for x
    x = 454,387,212,939.66/681,011.80
  6. Step 6: Final answer
    x = 667,223.70

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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.