Home / 1,082,608.80-1,623,913.20-491,632.80

Finding the Fourth Proportional to 1,082,608.80, 1,623,913.20 and 491,632.80

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Solution

The fourth proportional to 1,082,608.80, 1,623,913.20 and 491,632.80 is: 737,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,608.80 : 1,623,913.20 = 491,632.80 : x
  2. Step 2: Convert to fraction form
    1,082,608.80/1,623,913.20 = 491,632.80/x
  3. Step 3: Cross multiply
    1,082,608.80x = 1,623,913.20 × 491,632.80
  4. Step 4: Simplify right side
    1,082,608.80x = 798,368,993,472.96
  5. Step 5: Solve for x
    x = 798,368,993,472.96/1,082,608.80
  6. Step 6: Final answer
    x = 737,449.20

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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.