Home / 644,945.40-967,420.44-195,670.08

Finding the Fourth Proportional to 644,945.40, 967,420.44 and 195,670.08

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Solution

The fourth proportional to 644,945.40, 967,420.44 and 195,670.08 is: 293,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,945.40 : 967,420.44 = 195,670.08 : x
  2. Step 2: Convert to fraction form
    644,945.40/967,420.44 = 195,670.08/x
  3. Step 3: Cross multiply
    644,945.40x = 967,420.44 × 195,670.08
  4. Step 4: Simplify right side
    644,945.40x = 189,295,234,888.44
  5. Step 5: Solve for x
    x = 189,295,234,888.44/644,945.40
  6. Step 6: Final answer
    x = 293,505.83

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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.