Home / 1,519,917.64-2,097,370.74-840,839.56

Finding the Fourth Proportional to 1,519,917.64, 2,097,370.74 and 840,839.56

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Solution

The fourth proportional to 1,519,917.64, 2,097,370.74 and 840,839.56 is: 1,160,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,917.64 : 2,097,370.74 = 840,839.56 : x
  2. Step 2: Convert to fraction form
    1,519,917.64/2,097,370.74 = 840,839.56/x
  3. Step 3: Cross multiply
    1,519,917.64x = 2,097,370.74 × 840,839.56
  4. Step 4: Simplify right side
    1,519,917.64x = 1,763,552,290,178.47
  5. Step 5: Solve for x
    x = 1,763,552,290,178.47/1,519,917.64
  6. Step 6: Final answer
    x = 1,160,294.64

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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.