Home / 571,922.72-857,326.26-272,322.80

Finding the Fourth Proportional to 571,922.72, 857,326.26 and 272,322.80

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Solution

The fourth proportional to 571,922.72, 857,326.26 and 272,322.80 is: 408,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,922.72 : 857,326.26 = 272,322.80 : x
  2. Step 2: Convert to fraction form
    571,922.72/857,326.26 = 272,322.80/x
  3. Step 3: Cross multiply
    571,922.72x = 857,326.26 × 272,322.80
  4. Step 4: Simplify right side
    571,922.72x = 233,469,487,636.73
  5. Step 5: Solve for x
    x = 233,469,487,636.73/571,922.72
  6. Step 6: Final answer
    x = 408,218.59

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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.