Home / 1,191,644.75-1,644,830.11-809,892.97

Finding the Fourth Proportional to 1,191,644.75, 1,644,830.11 and 809,892.97

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Solution

The fourth proportional to 1,191,644.75, 1,644,830.11 and 809,892.97 is: 1,117,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,644.75 : 1,644,830.11 = 809,892.97 : x
  2. Step 2: Convert to fraction form
    1,191,644.75/1,644,830.11 = 809,892.97/x
  3. Step 3: Cross multiply
    1,191,644.75x = 1,644,830.11 × 809,892.97
  4. Step 4: Simplify right side
    1,191,644.75x = 1,332,136,342,933.33
  5. Step 5: Solve for x
    x = 1,332,136,342,933.33/1,191,644.75
  6. Step 6: Final answer
    x = 1,117,897.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.