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Finding the Fourth Proportional to 1,772,784.62, 2,660,007.38 and 873,736.26

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Solution

The fourth proportional to 1,772,784.62, 2,660,007.38 and 873,736.26 is: 1,311,013.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,784.62 : 2,660,007.38 = 873,736.26 : x
  2. Step 2: Convert to fraction form
    1,772,784.62/2,660,007.38 = 873,736.26/x
  3. Step 3: Cross multiply
    1,772,784.62x = 2,660,007.38 × 873,736.26
  4. Step 4: Simplify right side
    1,772,784.62x = 2,324,144,899,773.60
  5. Step 5: Solve for x
    x = 2,324,144,899,773.60/1,772,784.62
  6. Step 6: Final answer
    x = 1,311,013.69

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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.