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Finding the Fourth Proportional to 1,203,823.71, 1,661,266.12 and 659,949.62

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Solution

The fourth proportional to 1,203,823.71, 1,661,266.12 and 659,949.62 is: 910,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,823.71 : 1,661,266.12 = 659,949.62 : x
  2. Step 2: Convert to fraction form
    1,203,823.71/1,661,266.12 = 659,949.62/x
  3. Step 3: Cross multiply
    1,203,823.71x = 1,661,266.12 × 659,949.62
  4. Step 4: Simplify right side
    1,203,823.71x = 1,096,351,944,612.87
  5. Step 5: Solve for x
    x = 1,096,351,944,612.87/1,203,823.71
  6. Step 6: Final answer
    x = 910,724.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.