Home / 1,443,787.05-1,992,604.19-823,744.86

Finding the Fourth Proportional to 1,443,787.05, 1,992,604.19 and 823,744.86

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Solution

The fourth proportional to 1,443,787.05, 1,992,604.19 and 823,744.86 is: 1,136,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,787.05 : 1,992,604.19 = 823,744.86 : x
  2. Step 2: Convert to fraction form
    1,443,787.05/1,992,604.19 = 823,744.86/x
  3. Step 3: Cross multiply
    1,443,787.05x = 1,992,604.19 × 823,744.86
  4. Step 4: Simplify right side
    1,443,787.05x = 1,641,397,455,408.24
  5. Step 5: Solve for x
    x = 1,641,397,455,408.24/1,443,787.05
  6. Step 6: Final answer
    x = 1,136,869.50

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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.