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Finding the Fourth Proportional to 1,229,831, 1,697,166.82 and 693,287

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Solution

The fourth proportional to 1,229,831, 1,697,166.82 and 693,287 is: 956,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,831 : 1,697,166.82 = 693,287 : x
  2. Step 2: Convert to fraction form
    1,229,831/1,697,166.82 = 693,287/x
  3. Step 3: Cross multiply
    1,229,831x = 1,697,166.82 × 693,287
  4. Step 4: Simplify right side
    1,229,831x = 1,176,623,693,137.34
  5. Step 5: Solve for x
    x = 1,176,623,693,137.34/1,229,831
  6. Step 6: Final answer
    x = 956,736.08

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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.