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Finding the Fourth Proportional to 1,266,606.56, 1,747,922.64 and 693,650.72

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Solution

The fourth proportional to 1,266,606.56, 1,747,922.64 and 693,650.72 is: 957,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,606.56 : 1,747,922.64 = 693,650.72 : x
  2. Step 2: Convert to fraction form
    1,266,606.56/1,747,922.64 = 693,650.72/x
  3. Step 3: Cross multiply
    1,266,606.56x = 1,747,922.64 × 693,650.72
  4. Step 4: Simplify right side
    1,266,606.56x = 1,212,447,797,740.30
  5. Step 5: Solve for x
    x = 1,212,447,797,740.30/1,266,606.56
  6. Step 6: Final answer
    x = 957,241.05

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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.