Home / 616,985.28-851,245.92-345,016.44

Finding the Fourth Proportional to 616,985.28, 851,245.92 and 345,016.44

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Solution

The fourth proportional to 616,985.28, 851,245.92 and 345,016.44 is: 476,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,985.28 : 851,245.92 = 345,016.44 : x
  2. Step 2: Convert to fraction form
    616,985.28/851,245.92 = 345,016.44/x
  3. Step 3: Cross multiply
    616,985.28x = 851,245.92 × 345,016.44
  4. Step 4: Simplify right side
    616,985.28x = 293,693,836,882.93
  5. Step 5: Solve for x
    x = 293,693,836,882.93/616,985.28
  6. Step 6: Final answer
    x = 476,014.33

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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.