Home / 403,748.54-605,623.72-379,086.47

Finding the Fourth Proportional to 403,748.54, 605,623.72 and 379,086.47

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Solution

The fourth proportional to 403,748.54, 605,623.72 and 379,086.47 is: 568,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,748.54 : 605,623.72 = 379,086.47 : x
  2. Step 2: Convert to fraction form
    403,748.54/605,623.72 = 379,086.47/x
  3. Step 3: Cross multiply
    403,748.54x = 605,623.72 × 379,086.47
  4. Step 4: Simplify right side
    403,748.54x = 229,583,758,163.07
  5. Step 5: Solve for x
    x = 229,583,758,163.07/403,748.54
  6. Step 6: Final answer
    x = 568,630.56

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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.