Home / 1,131,185.78-1,561,046.52-614,940.67

Finding the Fourth Proportional to 1,131,185.78, 1,561,046.52 and 614,940.67

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Solution

The fourth proportional to 1,131,185.78, 1,561,046.52 and 614,940.67 is: 848,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,185.78 : 1,561,046.52 = 614,940.67 : x
  2. Step 2: Convert to fraction form
    1,131,185.78/1,561,046.52 = 614,940.67/x
  3. Step 3: Cross multiply
    1,131,185.78x = 1,561,046.52 × 614,940.67
  4. Step 4: Simplify right side
    1,131,185.78x = 959,950,992,909.97
  5. Step 5: Solve for x
    x = 959,950,992,909.97/1,131,185.78
  6. Step 6: Final answer
    x = 848,623.64

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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.