Home / 486,851.22-671,886.21-271,992.44

Finding the Fourth Proportional to 486,851.22, 671,886.21 and 271,992.44

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Solution

The fourth proportional to 486,851.22, 671,886.21 and 271,992.44 is: 375,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,851.22 : 671,886.21 = 271,992.44 : x
  2. Step 2: Convert to fraction form
    486,851.22/671,886.21 = 271,992.44/x
  3. Step 3: Cross multiply
    486,851.22x = 671,886.21 × 271,992.44
  4. Step 4: Simplify right side
    486,851.22x = 182,747,966,300.82
  5. Step 5: Solve for x
    x = 182,747,966,300.82/486,851.22
  6. Step 6: Final answer
    x = 375,367.17

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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.