Home / 1,473,753.78-2,033,765.82-820,369.44

Finding the Fourth Proportional to 1,473,753.78, 2,033,765.82 and 820,369.44

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Solution

The fourth proportional to 1,473,753.78, 2,033,765.82 and 820,369.44 is: 1,132,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,753.78 : 2,033,765.82 = 820,369.44 : x
  2. Step 2: Convert to fraction form
    1,473,753.78/2,033,765.82 = 820,369.44/x
  3. Step 3: Cross multiply
    1,473,753.78x = 2,033,765.82 × 820,369.44
  4. Step 4: Simplify right side
    1,473,753.78x = 1,668,439,326,844.54
  5. Step 5: Solve for x
    x = 1,668,439,326,844.54/1,473,753.78
  6. Step 6: Final answer
    x = 1,132,101.81

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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.