Home / 1,028,396.61-1,419,018.62-646,152.75

Finding the Fourth Proportional to 1,028,396.61, 1,419,018.62 and 646,152.75

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Solution

The fourth proportional to 1,028,396.61, 1,419,018.62 and 646,152.75 is: 891,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,396.61 : 1,419,018.62 = 646,152.75 : x
  2. Step 2: Convert to fraction form
    1,028,396.61/1,419,018.62 = 646,152.75/x
  3. Step 3: Cross multiply
    1,028,396.61x = 1,419,018.62 × 646,152.75
  4. Step 4: Simplify right side
    1,028,396.61x = 916,902,780,383.44
  5. Step 5: Solve for x
    x = 916,902,780,383.44/1,028,396.61
  6. Step 6: Final answer
    x = 891,584.79

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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.