Home / 1,237,358.82-1,707,794.66-806,891.61

Finding the Fourth Proportional to 1,237,358.82, 1,707,794.66 and 806,891.61

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Solution

The fourth proportional to 1,237,358.82, 1,707,794.66 and 806,891.61 is: 1,113,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,358.82 : 1,707,794.66 = 806,891.61 : x
  2. Step 2: Convert to fraction form
    1,237,358.82/1,707,794.66 = 806,891.61/x
  3. Step 3: Cross multiply
    1,237,358.82x = 1,707,794.66 × 806,891.61
  4. Step 4: Simplify right side
    1,237,358.82x = 1,378,005,182,756.80
  5. Step 5: Solve for x
    x = 1,378,005,182,756.80/1,237,358.82
  6. Step 6: Final answer
    x = 1,113,666.59

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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.