Home / 1,229,363.39-1,843,646-408,481.55

Finding the Fourth Proportional to 1,229,363.39, 1,843,646 and 408,481.55

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Solution

The fourth proportional to 1,229,363.39, 1,843,646 and 408,481.55 is: 612,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,363.39 : 1,843,646 = 408,481.55 : x
  2. Step 2: Convert to fraction form
    1,229,363.39/1,843,646 = 408,481.55/x
  3. Step 3: Cross multiply
    1,229,363.39x = 1,843,646 × 408,481.55
  4. Step 4: Simplify right side
    1,229,363.39x = 753,095,366,513.07
  5. Step 5: Solve for x
    x = 753,095,366,513.07/1,229,363.39
  6. Step 6: Final answer
    x = 612,589.72

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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.