Home / 476,548.91-657,634.10-261,684.66

Finding the Fourth Proportional to 476,548.91, 657,634.10 and 261,684.66

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Solution

The fourth proportional to 476,548.91, 657,634.10 and 261,684.66 is: 361,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,548.91 : 657,634.10 = 261,684.66 : x
  2. Step 2: Convert to fraction form
    476,548.91/657,634.10 = 261,684.66/x
  3. Step 3: Cross multiply
    476,548.91x = 657,634.10 × 261,684.66
  4. Step 4: Simplify right side
    476,548.91x = 172,092,755,862.91
  5. Step 5: Solve for x
    x = 172,092,755,862.91/476,548.91
  6. Step 6: Final answer
    x = 361,122.97

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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.