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Finding the Fourth Proportional to 1,441,689.44, 1,989,451.04 and 797,072

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Solution

The fourth proportional to 1,441,689.44, 1,989,451.04 and 797,072 is: 1,099,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,689.44 : 1,989,451.04 = 797,072 : x
  2. Step 2: Convert to fraction form
    1,441,689.44/1,989,451.04 = 797,072/x
  3. Step 3: Cross multiply
    1,441,689.44x = 1,989,451.04 × 797,072
  4. Step 4: Simplify right side
    1,441,689.44x = 1,585,735,719,354.88
  5. Step 5: Solve for x
    x = 1,585,735,719,354.88/1,441,689.44
  6. Step 6: Final answer
    x = 1,099,914.92

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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.