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Finding the Fourth Proportional to 1,448,324, 1,998,687.12 and 883,076

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Solution

The fourth proportional to 1,448,324, 1,998,687.12 and 883,076 is: 1,218,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,324 : 1,998,687.12 = 883,076 : x
  2. Step 2: Convert to fraction form
    1,448,324/1,998,687.12 = 883,076/x
  3. Step 3: Cross multiply
    1,448,324x = 1,998,687.12 × 883,076
  4. Step 4: Simplify right side
    1,448,324x = 1,764,992,627,181.12
  5. Step 5: Solve for x
    x = 1,764,992,627,181.12/1,448,324
  6. Step 6: Final answer
    x = 1,218,644.88

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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.