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Finding the Fourth Proportional to 1,344,652.94, 1,855,621.04 and 741,040.94

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Solution

The fourth proportional to 1,344,652.94, 1,855,621.04 and 741,040.94 is: 1,022,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,652.94 : 1,855,621.04 = 741,040.94 : x
  2. Step 2: Convert to fraction form
    1,344,652.94/1,855,621.04 = 741,040.94/x
  3. Step 3: Cross multiply
    1,344,652.94x = 1,855,621.04 × 741,040.94
  4. Step 4: Simplify right side
    1,344,652.94x = 1,375,091,159,765.38
  5. Step 5: Solve for x
    x = 1,375,091,159,765.38/1,344,652.94
  6. Step 6: Final answer
    x = 1,022,636.49

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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.