Home / 644,905.20-967,249.78-195,518.61

Finding the Fourth Proportional to 644,905.20, 967,249.78 and 195,518.61

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Solution

The fourth proportional to 644,905.20, 967,249.78 and 195,518.61 is: 293,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,905.20 : 967,249.78 = 195,518.61 : x
  2. Step 2: Convert to fraction form
    644,905.20/967,249.78 = 195,518.61/x
  3. Step 3: Cross multiply
    644,905.20x = 967,249.78 × 195,518.61
  4. Step 4: Simplify right side
    644,905.20x = 189,115,332,508.41
  5. Step 5: Solve for x
    x = 189,115,332,508.41/644,905.20
  6. Step 6: Final answer
    x = 293,245.17

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1.5x scale

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.