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Finding the Fourth Proportional to 1,183,591, 1,633,361.34 and 647,047

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Solution

The fourth proportional to 1,183,591, 1,633,361.34 and 647,047 is: 892,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,591 : 1,633,361.34 = 647,047 : x
  2. Step 2: Convert to fraction form
    1,183,591/1,633,361.34 = 647,047/x
  3. Step 3: Cross multiply
    1,183,591x = 1,633,361.34 × 647,047
  4. Step 4: Simplify right side
    1,183,591x = 1,056,861,554,962.98
  5. Step 5: Solve for x
    x = 1,056,861,554,962.98/1,183,591
  6. Step 6: Final answer
    x = 892,928.01

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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.