Home / 644,942.40-967,415.94-195,667.08

Finding the Fourth Proportional to 644,942.40, 967,415.94 and 195,667.08

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Solution

The fourth proportional to 644,942.40, 967,415.94 and 195,667.08 is: 293,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,942.40 : 967,415.94 = 195,667.08 : x
  2. Step 2: Convert to fraction form
    644,942.40/967,415.94 = 195,667.08/x
  3. Step 3: Cross multiply
    644,942.40x = 967,415.94 × 195,667.08
  4. Step 4: Simplify right side
    644,942.40x = 189,291,452,125.26
  5. Step 5: Solve for x
    x = 189,291,452,125.26/644,942.40
  6. Step 6: Final answer
    x = 293,501.33

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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.