Home / 1,163,340.45-1,745,049.56-321,821.73

Finding the Fourth Proportional to 1,163,340.45, 1,745,049.56 and 321,821.73

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Solution

The fourth proportional to 1,163,340.45, 1,745,049.56 and 321,821.73 is: 482,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,340.45 : 1,745,049.56 = 321,821.73 : x
  2. Step 2: Convert to fraction form
    1,163,340.45/1,745,049.56 = 321,821.73/x
  3. Step 3: Cross multiply
    1,163,340.45x = 1,745,049.56 × 321,821.73
  4. Step 4: Simplify right side
    1,163,340.45x = 561,594,866,725.83
  5. Step 5: Solve for x
    x = 561,594,866,725.83/1,163,340.45
  6. Step 6: Final answer
    x = 482,743.35

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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.