Home / 389,997.40-583,829.70-232,144.60

Finding the Fourth Proportional to 389,997.40, 583,829.70 and 232,144.60

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Solution

The fourth proportional to 389,997.40, 583,829.70 and 232,144.60 is: 347,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,997.40 : 583,829.70 = 232,144.60 : x
  2. Step 2: Convert to fraction form
    389,997.40/583,829.70 = 232,144.60/x
  3. Step 3: Cross multiply
    389,997.40x = 583,829.70 × 232,144.60
  4. Step 4: Simplify right side
    389,997.40x = 135,532,912,174.62
  5. Step 5: Solve for x
    x = 135,532,912,174.62/389,997.40
  6. Step 6: Final answer
    x = 347,522.60

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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.