Home / 1,515,626.21-2,091,614.82-827,338.86

Finding the Fourth Proportional to 1,515,626.21, 2,091,614.82 and 827,338.86

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Solution

The fourth proportional to 1,515,626.21, 2,091,614.82 and 827,338.86 is: 1,141,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,626.21 : 2,091,614.82 = 827,338.86 : x
  2. Step 2: Convert to fraction form
    1,515,626.21/2,091,614.82 = 827,338.86/x
  3. Step 3: Cross multiply
    1,515,626.21x = 2,091,614.82 × 827,338.86
  4. Step 4: Simplify right side
    1,515,626.21x = 1,730,474,217,635.38
  5. Step 5: Solve for x
    x = 1,730,474,217,635.38/1,515,626.21
  6. Step 6: Final answer
    x = 1,141,755.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.