Home / 997,922.56-1,378,590.24-863,553.28

Finding the Fourth Proportional to 997,922.56, 1,378,590.24 and 863,553.28

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Solution

The fourth proportional to 997,922.56, 1,378,590.24 and 863,553.28 is: 1,192,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,922.56 : 1,378,590.24 = 863,553.28 : x
  2. Step 2: Convert to fraction form
    997,922.56/1,378,590.24 = 863,553.28/x
  3. Step 3: Cross multiply
    997,922.56x = 1,378,590.24 × 863,553.28
  4. Step 4: Simplify right side
    997,922.56x = 1,190,486,123,527.99
  5. Step 5: Solve for x
    x = 1,190,486,123,527.99/997,922.56
  6. Step 6: Final answer
    x = 1,192,964.44

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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.