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Finding the Fourth Proportional to 1,818,157, 2,727,629.16 and 696,226

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Solution

The fourth proportional to 1,818,157, 2,727,629.16 and 696,226 is: 1,044,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,157 : 2,727,629.16 = 696,226 : x
  2. Step 2: Convert to fraction form
    1,818,157/2,727,629.16 = 696,226/x
  3. Step 3: Cross multiply
    1,818,157x = 2,727,629.16 × 696,226
  4. Step 4: Simplify right side
    1,818,157x = 1,899,046,339,550.16
  5. Step 5: Solve for x
    x = 1,899,046,339,550.16/1,818,157
  6. Step 6: Final answer
    x = 1,044,489.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.