Home / 1,228,255.88-1,842,383.84-479,777

Finding the Fourth Proportional to 1,228,255.88, 1,842,383.84 and 479,777

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Solution

The fourth proportional to 1,228,255.88, 1,842,383.84 and 479,777 is: 719,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,255.88 : 1,842,383.84 = 479,777 : x
  2. Step 2: Convert to fraction form
    1,228,255.88/1,842,383.84 = 479,777/x
  3. Step 3: Cross multiply
    1,228,255.88x = 1,842,383.84 × 479,777
  4. Step 4: Simplify right side
    1,228,255.88x = 883,933,391,603.68
  5. Step 5: Solve for x
    x = 883,933,391,603.68/1,228,255.88
  6. Step 6: Final answer
    x = 719,665.51

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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.