Home / 929,039.16-1,393,224.06-321,662.52

Finding the Fourth Proportional to 929,039.16, 1,393,224.06 and 321,662.52

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Solution

The fourth proportional to 929,039.16, 1,393,224.06 and 321,662.52 is: 482,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,039.16 : 1,393,224.06 = 321,662.52 : x
  2. Step 2: Convert to fraction form
    929,039.16/1,393,224.06 = 321,662.52/x
  3. Step 3: Cross multiply
    929,039.16x = 1,393,224.06 × 321,662.52
  4. Step 4: Simplify right side
    929,039.16x = 448,147,962,064.23
  5. Step 5: Solve for x
    x = 448,147,962,064.23/929,039.16
  6. Step 6: Final answer
    x = 482,377.90

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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.