Home / 1,267,921.69-1,901,993.24-321,292.44

Finding the Fourth Proportional to 1,267,921.69, 1,901,993.24 and 321,292.44

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Solution

The fourth proportional to 1,267,921.69, 1,901,993.24 and 321,292.44 is: 481,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,921.69 : 1,901,993.24 = 321,292.44 : x
  2. Step 2: Convert to fraction form
    1,267,921.69/1,901,993.24 = 321,292.44/x
  3. Step 3: Cross multiply
    1,267,921.69x = 1,901,993.24 × 321,292.44
  4. Step 4: Simplify right side
    1,267,921.69x = 611,096,047,336.64
  5. Step 5: Solve for x
    x = 611,096,047,336.64/1,267,921.69
  6. Step 6: Final answer
    x = 481,966.71

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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.