Home / 1,327,115.14-1,981,671.25-1,054,179.59

Finding the Fourth Proportional to 1,327,115.14, 1,981,671.25 and 1,054,179.59

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Solution

The fourth proportional to 1,327,115.14, 1,981,671.25 and 1,054,179.59 is: 1,574,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,115.14 : 1,981,671.25 = 1,054,179.59 : x
  2. Step 2: Convert to fraction form
    1,327,115.14/1,981,671.25 = 1,054,179.59/x
  3. Step 3: Cross multiply
    1,327,115.14x = 1,981,671.25 × 1,054,179.59
  4. Step 4: Simplify right side
    1,327,115.14x = 2,089,037,388,158.52
  5. Step 5: Solve for x
    x = 2,089,037,388,158.52/1,327,115.14
  6. Step 6: Final answer
    x = 1,574,119.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.