Home / 701,022.49-1,051,113.32-321,467.78

Finding the Fourth Proportional to 701,022.49, 1,051,113.32 and 321,467.78

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Solution

The fourth proportional to 701,022.49, 1,051,113.32 and 321,467.78 is: 482,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,022.49 : 1,051,113.32 = 321,467.78 : x
  2. Step 2: Convert to fraction form
    701,022.49/1,051,113.32 = 321,467.78/x
  3. Step 3: Cross multiply
    701,022.49x = 1,051,113.32 × 321,467.78
  4. Step 4: Simplify right side
    701,022.49x = 337,899,063,901.49
  5. Step 5: Solve for x
    x = 337,899,063,901.49/701,022.49
  6. Step 6: Final answer
    x = 482,008.88

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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.