Home / 1,188,790.98-1,783,242.96-379,261.38

Finding the Fourth Proportional to 1,188,790.98, 1,783,242.96 and 379,261.38

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Solution

The fourth proportional to 1,188,790.98, 1,783,242.96 and 379,261.38 is: 568,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,790.98 : 1,783,242.96 = 379,261.38 : x
  2. Step 2: Convert to fraction form
    1,188,790.98/1,783,242.96 = 379,261.38/x
  3. Step 3: Cross multiply
    1,188,790.98x = 1,783,242.96 × 379,261.38
  4. Step 4: Simplify right side
    1,188,790.98x = 676,315,185,884.89
  5. Step 5: Solve for x
    x = 676,315,185,884.89/1,188,790.98
  6. Step 6: Final answer
    x = 568,910.09

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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.