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Finding the Fourth Proportional to 2,687,796, 4,031,771.76 and 693,252

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Solution

The fourth proportional to 2,687,796, 4,031,771.76 and 693,252 is: 1,039,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,796 : 4,031,771.76 = 693,252 : x
  2. Step 2: Convert to fraction form
    2,687,796/4,031,771.76 = 693,252/x
  3. Step 3: Cross multiply
    2,687,796x = 4,031,771.76 × 693,252
  4. Step 4: Simplify right side
    2,687,796x = 2,795,033,836,163.52
  5. Step 5: Solve for x
    x = 2,795,033,836,163.52/2,687,796
  6. Step 6: Final answer
    x = 1,039,898.06

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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.