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Finding the Fourth Proportional to 1,166,462, 1,609,717.56 and 629,918

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Solution

The fourth proportional to 1,166,462, 1,609,717.56 and 629,918 is: 869,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,462 : 1,609,717.56 = 629,918 : x
  2. Step 2: Convert to fraction form
    1,166,462/1,609,717.56 = 629,918/x
  3. Step 3: Cross multiply
    1,166,462x = 1,609,717.56 × 629,918
  4. Step 4: Simplify right side
    1,166,462x = 1,013,990,065,960.08
  5. Step 5: Solve for x
    x = 1,013,990,065,960.08/1,166,462
  6. Step 6: Final answer
    x = 869,286.84

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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.