Home / 806,786.82-1,209,898.09-238,016.87

Finding the Fourth Proportional to 806,786.82, 1,209,898.09 and 238,016.87

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Solution

The fourth proportional to 806,786.82, 1,209,898.09 and 238,016.87 is: 356,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,786.82 : 1,209,898.09 = 238,016.87 : x
  2. Step 2: Convert to fraction form
    806,786.82/1,209,898.09 = 238,016.87/x
  3. Step 3: Cross multiply
    806,786.82x = 1,209,898.09 × 238,016.87
  4. Step 4: Simplify right side
    806,786.82x = 287,976,156,400.78
  5. Step 5: Solve for x
    x = 287,976,156,400.78/806,786.82
  6. Step 6: Final answer
    x = 356,942.07

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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.