Home / 1,665,941.78-2,498,912.64-403,769.42

Finding the Fourth Proportional to 1,665,941.78, 2,498,912.64 and 403,769.42

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Solution

The fourth proportional to 1,665,941.78, 2,498,912.64 and 403,769.42 is: 605,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,941.78 : 2,498,912.64 = 403,769.42 : x
  2. Step 2: Convert to fraction form
    1,665,941.78/2,498,912.64 = 403,769.42/x
  3. Step 3: Cross multiply
    1,665,941.78x = 2,498,912.64 × 403,769.42
  4. Step 4: Simplify right side
    1,665,941.78x = 1,008,984,507,283.47
  5. Step 5: Solve for x
    x = 1,008,984,507,283.47/1,665,941.78
  6. Step 6: Final answer
    x = 605,654.12

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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.