Home / 1,644,450.03-2,269,357.86-919,338.03

Finding the Fourth Proportional to 1,644,450.03, 2,269,357.86 and 919,338.03

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Solution

The fourth proportional to 1,644,450.03, 2,269,357.86 and 919,338.03 is: 1,268,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,450.03 : 2,269,357.86 = 919,338.03 : x
  2. Step 2: Convert to fraction form
    1,644,450.03/2,269,357.86 = 919,338.03/x
  3. Step 3: Cross multiply
    1,644,450.03x = 2,269,357.86 × 919,338.03
  4. Step 4: Simplify right side
    1,644,450.03x = 2,086,306,984,377.42
  5. Step 5: Solve for x
    x = 2,086,306,984,377.42/1,644,450.03
  6. Step 6: Final answer
    x = 1,268,695.88

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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.