Home / 644,993.39-967,490.29-189,584.72

Finding the Fourth Proportional to 644,993.39, 967,490.29 and 189,584.72

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Solution

The fourth proportional to 644,993.39, 967,490.29 and 189,584.72 is: 284,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,993.39 : 967,490.29 = 189,584.72 : x
  2. Step 2: Convert to fraction form
    644,993.39/967,490.29 = 189,584.72/x
  3. Step 3: Cross multiply
    644,993.39x = 967,490.29 × 189,584.72
  4. Step 4: Simplify right side
    644,993.39x = 183,421,375,732.37
  5. Step 5: Solve for x
    x = 183,421,375,732.37/644,993.39
  6. Step 6: Final answer
    x = 284,377.14

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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.