Home / 644,901.18-967,243.79-195,514.60

Finding the Fourth Proportional to 644,901.18, 967,243.79 and 195,514.60

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Solution

The fourth proportional to 644,901.18, 967,243.79 and 195,514.60 is: 293,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,901.18 : 967,243.79 = 195,514.60 : x
  2. Step 2: Convert to fraction form
    644,901.18/967,243.79 = 195,514.60/x
  3. Step 3: Cross multiply
    644,901.18x = 967,243.79 × 195,514.60
  4. Step 4: Simplify right side
    644,901.18x = 189,110,284,402.18
  5. Step 5: Solve for x
    x = 189,110,284,402.18/644,901.18
  6. Step 6: Final answer
    x = 293,239.16

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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.