Home / 839,891.32-1,259,841.61-208,805.14

Finding the Fourth Proportional to 839,891.32, 1,259,841.61 and 208,805.14

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Solution

The fourth proportional to 839,891.32, 1,259,841.61 and 208,805.14 is: 313,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,891.32 : 1,259,841.61 = 208,805.14 : x
  2. Step 2: Convert to fraction form
    839,891.32/1,259,841.61 = 208,805.14/x
  3. Step 3: Cross multiply
    839,891.32x = 1,259,841.61 × 208,805.14
  4. Step 4: Simplify right side
    839,891.32x = 263,061,396,410.64
  5. Step 5: Solve for x
    x = 263,061,396,410.64/839,891.32
  6. Step 6: Final answer
    x = 313,208.85

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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.