Home / 1,200,193.31-1,800,468.97-441,976.47

Finding the Fourth Proportional to 1,200,193.31, 1,800,468.97 and 441,976.47

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Solution

The fourth proportional to 1,200,193.31, 1,800,468.97 and 441,976.47 is: 663,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,193.31 : 1,800,468.97 = 441,976.47 : x
  2. Step 2: Convert to fraction form
    1,200,193.31/1,800,468.97 = 441,976.47/x
  3. Step 3: Cross multiply
    1,200,193.31x = 1,800,468.97 × 441,976.47
  4. Step 4: Simplify right side
    1,200,193.31x = 795,764,919,705.14
  5. Step 5: Solve for x
    x = 795,764,919,705.14/1,200,193.31
  6. Step 6: Final answer
    x = 663,030.62

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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.