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Finding the Fourth Proportional to 1,441,633.44, 1,989,373.80 and 797,016

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Solution

The fourth proportional to 1,441,633.44, 1,989,373.80 and 797,016 is: 1,099,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,633.44 : 1,989,373.80 = 797,016 : x
  2. Step 2: Convert to fraction form
    1,441,633.44/1,989,373.80 = 797,016/x
  3. Step 3: Cross multiply
    1,441,633.44x = 1,989,373.80 × 797,016
  4. Step 4: Simplify right side
    1,441,633.44x = 1,585,562,748,580.80
  5. Step 5: Solve for x
    x = 1,585,562,748,580.80/1,441,633.44
  6. Step 6: Final answer
    x = 1,099,837.66

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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.