Home / 678,532.33-936,375.45-372,628.44

Finding the Fourth Proportional to 678,532.33, 936,375.45 and 372,628.44

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Solution

The fourth proportional to 678,532.33, 936,375.45 and 372,628.44 is: 514,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,532.33 : 936,375.45 = 372,628.44 : x
  2. Step 2: Convert to fraction form
    678,532.33/936,375.45 = 372,628.44/x
  3. Step 3: Cross multiply
    678,532.33x = 936,375.45 × 372,628.44
  4. Step 4: Simplify right side
    678,532.33x = 348,920,123,187.80
  5. Step 5: Solve for x
    x = 348,920,123,187.80/678,532.33
  6. Step 6: Final answer
    x = 514,227.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.