Home / 1,337,744.78-2,005,865.21-439,111.25

Finding the Fourth Proportional to 1,337,744.78, 2,005,865.21 and 439,111.25

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Solution

The fourth proportional to 1,337,744.78, 2,005,865.21 and 439,111.25 is: 658,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,744.78 : 2,005,865.21 = 439,111.25 : x
  2. Step 2: Convert to fraction form
    1,337,744.78/2,005,865.21 = 439,111.25/x
  3. Step 3: Cross multiply
    1,337,744.78x = 2,005,865.21 × 439,111.25
  4. Step 4: Simplify right side
    1,337,744.78x = 880,797,967,469.73
  5. Step 5: Solve for x
    x = 880,797,967,469.73/1,337,744.78
  6. Step 6: Final answer
    x = 658,420.04

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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.