Home / 525,003.50-787,621.90-192,579.50

Finding the Fourth Proportional to 525,003.50, 787,621.90 and 192,579.50

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Solution

The fourth proportional to 525,003.50, 787,621.90 and 192,579.50 is: 288,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,003.50 : 787,621.90 = 192,579.50 : x
  2. Step 2: Convert to fraction form
    525,003.50/787,621.90 = 192,579.50/x
  3. Step 3: Cross multiply
    525,003.50x = 787,621.90 × 192,579.50
  4. Step 4: Simplify right side
    525,003.50x = 151,679,831,691.05
  5. Step 5: Solve for x
    x = 151,679,831,691.05/525,003.50
  6. Step 6: Final answer
    x = 288,912.04

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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.