Home / 1,251,215.82-1,873,792.91-865,884.93

Finding the Fourth Proportional to 1,251,215.82, 1,873,792.91 and 865,884.93

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Solution

The fourth proportional to 1,251,215.82, 1,873,792.91 and 865,884.93 is: 1,296,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,215.82 : 1,873,792.91 = 865,884.93 : x
  2. Step 2: Convert to fraction form
    1,251,215.82/1,873,792.91 = 865,884.93/x
  3. Step 3: Cross multiply
    1,251,215.82x = 1,873,792.91 × 865,884.93
  4. Step 4: Simplify right side
    1,251,215.82x = 1,622,489,042,709.85
  5. Step 5: Solve for x
    x = 1,622,489,042,709.85/1,251,215.82
  6. Step 6: Final answer
    x = 1,296,729.96

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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.