Home / 851,192.78-1,174,654.25-469,233.26

Finding the Fourth Proportional to 851,192.78, 1,174,654.25 and 469,233.26

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Solution

The fourth proportional to 851,192.78, 1,174,654.25 and 469,233.26 is: 647,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,192.78 : 1,174,654.25 = 469,233.26 : x
  2. Step 2: Convert to fraction form
    851,192.78/1,174,654.25 = 469,233.26/x
  3. Step 3: Cross multiply
    851,192.78x = 1,174,654.25 × 469,233.26
  4. Step 4: Simplify right side
    851,192.78x = 551,186,843,100.36
  5. Step 5: Solve for x
    x = 551,186,843,100.36/851,192.78
  6. Step 6: Final answer
    x = 647,546.43

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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.