Home / 1,147,299.82-1,583,283.99-624,015.12

Finding the Fourth Proportional to 1,147,299.82, 1,583,283.99 and 624,015.12

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Solution

The fourth proportional to 1,147,299.82, 1,583,283.99 and 624,015.12 is: 861,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,299.82 : 1,583,283.99 = 624,015.12 : x
  2. Step 2: Convert to fraction form
    1,147,299.82/1,583,283.99 = 624,015.12/x
  3. Step 3: Cross multiply
    1,147,299.82x = 1,583,283.99 × 624,015.12
  4. Step 4: Simplify right side
    1,147,299.82x = 987,993,149,013.93
  5. Step 5: Solve for x
    x = 987,993,149,013.93/1,147,299.82
  6. Step 6: Final answer
    x = 861,146.43

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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.