Home / 681,554.98-940,546.65-395,241.45

Finding the Fourth Proportional to 681,554.98, 940,546.65 and 395,241.45

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Solution

The fourth proportional to 681,554.98, 940,546.65 and 395,241.45 is: 545,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,554.98 : 940,546.65 = 395,241.45 : x
  2. Step 2: Convert to fraction form
    681,554.98/940,546.65 = 395,241.45/x
  3. Step 3: Cross multiply
    681,554.98x = 940,546.65 × 395,241.45
  4. Step 4: Simplify right side
    681,554.98x = 371,743,021,738.64
  5. Step 5: Solve for x
    x = 371,743,021,738.64/681,554.98
  6. Step 6: Final answer
    x = 545,433.65

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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.