Home / 694,851.50-1,042,456.95-406,906.31

Finding the Fourth Proportional to 694,851.50, 1,042,456.95 and 406,906.31

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Solution

The fourth proportional to 694,851.50, 1,042,456.95 and 406,906.31 is: 610,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,851.50 : 1,042,456.95 = 406,906.31 : x
  2. Step 2: Convert to fraction form
    694,851.50/1,042,456.95 = 406,906.31/x
  3. Step 3: Cross multiply
    694,851.50x = 1,042,456.95 × 406,906.31
  4. Step 4: Simplify right side
    694,851.50x = 424,182,313,786.03
  5. Step 5: Solve for x
    x = 424,182,313,786.03/694,851.50
  6. Step 6: Final answer
    x = 610,464.70

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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.