Home / 854,546.36-1,281,817.92-322,186.82

Finding the Fourth Proportional to 854,546.36, 1,281,817.92 and 322,186.82

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Solution

The fourth proportional to 854,546.36, 1,281,817.92 and 322,186.82 is: 483,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,546.36 : 1,281,817.92 = 322,186.82 : x
  2. Step 2: Convert to fraction form
    854,546.36/1,281,817.92 = 322,186.82/x
  3. Step 3: Cross multiply
    854,546.36x = 1,281,817.92 × 322,186.82
  4. Step 4: Simplify right side
    854,546.36x = 412,984,839,463.81
  5. Step 5: Solve for x
    x = 412,984,839,463.81/854,546.36
  6. Step 6: Final answer
    x = 483,279.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.