Home / 644,936.40-967,406.94-195,661.08

Finding the Fourth Proportional to 644,936.40, 967,406.94 and 195,661.08

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Solution

The fourth proportional to 644,936.40, 967,406.94 and 195,661.08 is: 293,492.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,936.40 : 967,406.94 = 195,661.08 : x
  2. Step 2: Convert to fraction form
    644,936.40/967,406.94 = 195,661.08/x
  3. Step 3: Cross multiply
    644,936.40x = 967,406.94 × 195,661.08
  4. Step 4: Simplify right side
    644,936.40x = 189,283,886,679.90
  5. Step 5: Solve for x
    x = 189,283,886,679.90/644,936.40
  6. Step 6: Final answer
    x = 293,492.33

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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.