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Finding the Fourth Proportional to 1,807,801.68, 2,494,759.42 and 992,019

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Solution

The fourth proportional to 1,807,801.68, 2,494,759.42 and 992,019 is: 1,368,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,801.68 : 2,494,759.42 = 992,019 : x
  2. Step 2: Convert to fraction form
    1,807,801.68/2,494,759.42 = 992,019/x
  3. Step 3: Cross multiply
    1,807,801.68x = 2,494,759.42 × 992,019
  4. Step 4: Simplify right side
    1,807,801.68x = 2,474,848,745,068.98
  5. Step 5: Solve for x
    x = 2,474,848,745,068.98/1,807,801.68
  6. Step 6: Final answer
    x = 1,368,982.43

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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.