Home / 1,295,821.38-1,944,322.83-665,178.42

Finding the Fourth Proportional to 1,295,821.38, 1,944,322.83 and 665,178.42

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Solution

The fourth proportional to 1,295,821.38, 1,944,322.83 and 665,178.42 is: 998,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,821.38 : 1,944,322.83 = 665,178.42 : x
  2. Step 2: Convert to fraction form
    1,295,821.38/1,944,322.83 = 665,178.42/x
  3. Step 3: Cross multiply
    1,295,821.38x = 1,944,322.83 × 665,178.42
  4. Step 4: Simplify right side
    1,295,821.38x = 1,293,321,588,029.33
  5. Step 5: Solve for x
    x = 1,293,321,588,029.33/1,295,821.38
  6. Step 6: Final answer
    x = 998,070.88

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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.