Home / 424,865.36-586,327.40-231,285.96

Finding the Fourth Proportional to 424,865.36, 586,327.40 and 231,285.96

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Solution

The fourth proportional to 424,865.36, 586,327.40 and 231,285.96 is: 319,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,865.36 : 586,327.40 = 231,285.96 : x
  2. Step 2: Convert to fraction form
    424,865.36/586,327.40 = 231,285.96/x
  3. Step 3: Cross multiply
    424,865.36x = 586,327.40 × 231,285.96
  4. Step 4: Simplify right side
    424,865.36x = 135,609,295,583.30
  5. Step 5: Solve for x
    x = 135,609,295,583.30/424,865.36
  6. Step 6: Final answer
    x = 319,181.81

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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.