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Finding the Fourth Proportional to 1,226,997, 1,692,817.56 and 710,469

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Solution

The fourth proportional to 1,226,997, 1,692,817.56 and 710,469 is: 980,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,997 : 1,692,817.56 = 710,469 : x
  2. Step 2: Convert to fraction form
    1,226,997/1,692,817.56 = 710,469/x
  3. Step 3: Cross multiply
    1,226,997x = 1,692,817.56 × 710,469
  4. Step 4: Simplify right side
    1,226,997x = 1,202,694,399,035.64
  5. Step 5: Solve for x
    x = 1,202,694,399,035.64/1,226,997
  6. Step 6: Final answer
    x = 980,193.43

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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.