Home / 839,631.12-1,159,035.89-568,067.38

Finding the Fourth Proportional to 839,631.12, 1,159,035.89 and 568,067.38

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Solution

The fourth proportional to 839,631.12, 1,159,035.89 and 568,067.38 is: 784,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,631.12 : 1,159,035.89 = 568,067.38 : x
  2. Step 2: Convert to fraction form
    839,631.12/1,159,035.89 = 568,067.38/x
  3. Step 3: Cross multiply
    839,631.12x = 1,159,035.89 × 568,067.38
  4. Step 4: Simplify right side
    839,631.12x = 658,410,475,620.34
  5. Step 5: Solve for x
    x = 658,410,475,620.34/839,631.12
  6. Step 6: Final answer
    x = 784,166.36

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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.