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Finding the Fourth Proportional to 1,229,801, 1,697,125.38 and 693,257

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Solution

The fourth proportional to 1,229,801, 1,697,125.38 and 693,257 is: 956,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,801 : 1,697,125.38 = 693,257 : x
  2. Step 2: Convert to fraction form
    1,229,801/1,697,125.38 = 693,257/x
  3. Step 3: Cross multiply
    1,229,801x = 1,697,125.38 × 693,257
  4. Step 4: Simplify right side
    1,229,801x = 1,176,544,049,562.66
  5. Step 5: Solve for x
    x = 1,176,544,049,562.66/1,229,801
  6. Step 6: Final answer
    x = 956,694.66

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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.