Home / 854,847.08-1,179,586.19-492,388.82

Finding the Fourth Proportional to 854,847.08, 1,179,586.19 and 492,388.82

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Solution

The fourth proportional to 854,847.08, 1,179,586.19 and 492,388.82 is: 679,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,847.08 : 1,179,586.19 = 492,388.82 : x
  2. Step 2: Convert to fraction form
    854,847.08/1,179,586.19 = 492,388.82/x
  3. Step 3: Cross multiply
    854,847.08x = 1,179,586.19 × 492,388.82
  4. Step 4: Simplify right side
    854,847.08x = 580,815,047,515.44
  5. Step 5: Solve for x
    x = 580,815,047,515.44/854,847.08
  6. Step 6: Final answer
    x = 679,437.37

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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.