Home / 1,579,286.87-2,179,415.90-854,134.60

Finding the Fourth Proportional to 1,579,286.87, 2,179,415.90 and 854,134.60

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Solution

The fourth proportional to 1,579,286.87, 2,179,415.90 and 854,134.60 is: 1,178,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,286.87 : 2,179,415.90 = 854,134.60 : x
  2. Step 2: Convert to fraction form
    1,579,286.87/2,179,415.90 = 854,134.60/x
  3. Step 3: Cross multiply
    1,579,286.87x = 2,179,415.90 × 854,134.60
  4. Step 4: Simplify right side
    1,579,286.87x = 1,861,514,527,980.14
  5. Step 5: Solve for x
    x = 1,861,514,527,980.14/1,579,286.87
  6. Step 6: Final answer
    x = 1,178,705.76

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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.