Home / 1,519,734.38-2,097,299.25-840,670.88

Finding the Fourth Proportional to 1,519,734.38, 2,097,299.25 and 840,670.88

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Solution

The fourth proportional to 1,519,734.38, 2,097,299.25 and 840,670.88 is: 1,160,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,734.38 : 2,097,299.25 = 840,670.88 : x
  2. Step 2: Convert to fraction form
    1,519,734.38/2,097,299.25 = 840,670.88/x
  3. Step 3: Cross multiply
    1,519,734.38x = 2,097,299.25 × 840,670.88
  4. Step 4: Simplify right side
    1,519,734.38x = 1,763,138,395,634.34
  5. Step 5: Solve for x
    x = 1,763,138,395,634.34/1,519,734.38
  6. Step 6: Final answer
    x = 1,160,162.21

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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.