Home / 454,851.21-627,748.89-263,871.03

Finding the Fourth Proportional to 454,851.21, 627,748.89 and 263,871.03

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Solution

The fourth proportional to 454,851.21, 627,748.89 and 263,871.03 is: 364,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,851.21 : 627,748.89 = 263,871.03 : x
  2. Step 2: Convert to fraction form
    454,851.21/627,748.89 = 263,871.03/x
  3. Step 3: Cross multiply
    454,851.21x = 627,748.89 × 263,871.03
  4. Step 4: Simplify right side
    454,851.21x = 165,644,746,185.66
  5. Step 5: Solve for x
    x = 165,644,746,185.66/454,851.21
  6. Step 6: Final answer
    x = 364,173.48

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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.