Home / 1,285,843.24-1,773,618.42-826,234.12

Finding the Fourth Proportional to 1,285,843.24, 1,773,618.42 and 826,234.12

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Solution

The fourth proportional to 1,285,843.24, 1,773,618.42 and 826,234.12 is: 1,139,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,843.24 : 1,773,618.42 = 826,234.12 : x
  2. Step 2: Convert to fraction form
    1,285,843.24/1,773,618.42 = 826,234.12/x
  3. Step 3: Cross multiply
    1,285,843.24x = 1,773,618.42 × 826,234.12
  4. Step 4: Simplify right side
    1,285,843.24x = 1,465,424,054,464.49
  5. Step 5: Solve for x
    x = 1,465,424,054,464.49/1,285,843.24
  6. Step 6: Final answer
    x = 1,139,659.96

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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.