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Finding the Fourth Proportional to 1,193,541, 1,647,086.58 and 656,997

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Solution

The fourth proportional to 1,193,541, 1,647,086.58 and 656,997 is: 906,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,541 : 1,647,086.58 = 656,997 : x
  2. Step 2: Convert to fraction form
    1,193,541/1,647,086.58 = 656,997/x
  3. Step 3: Cross multiply
    1,193,541x = 1,647,086.58 × 656,997
  4. Step 4: Simplify right side
    1,193,541x = 1,082,130,941,800.26
  5. Step 5: Solve for x
    x = 1,082,130,941,800.26/1,193,541
  6. Step 6: Final answer
    x = 906,655.86

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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.