Home / 1,399,586-2,099,212.32-823,553.60

Finding the Fourth Proportional to 1,399,586, 2,099,212.32 and 823,553.60

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Solution

The fourth proportional to 1,399,586, 2,099,212.32 and 823,553.60 is: 1,235,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,586 : 2,099,212.32 = 823,553.60 : x
  2. Step 2: Convert to fraction form
    1,399,586/2,099,212.32 = 823,553.60/x
  3. Step 3: Cross multiply
    1,399,586x = 2,099,212.32 × 823,553.60
  4. Step 4: Simplify right side
    1,399,586x = 1,728,813,863,300.35
  5. Step 5: Solve for x
    x = 1,728,813,863,300.35/1,399,586
  6. Step 6: Final answer
    x = 1,235,232.32

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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.