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Finding the Fourth Proportional to 1,941,950.45, 2,679,793.54 and 1,082,344.64

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Solution

The fourth proportional to 1,941,950.45, 2,679,793.54 and 1,082,344.64 is: 1,493,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,950.45 : 2,679,793.54 = 1,082,344.64 : x
  2. Step 2: Convert to fraction form
    1,941,950.45/2,679,793.54 = 1,082,344.64/x
  3. Step 3: Cross multiply
    1,941,950.45x = 2,679,793.54 × 1,082,344.64
  4. Step 4: Simplify right side
    1,941,950.45x = 2,900,460,158,220.80
  5. Step 5: Solve for x
    x = 2,900,460,158,220.80/1,941,950.45
  6. Step 6: Final answer
    x = 1,493,580.93

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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.