Home / 548,990.42-823,539.72-189,190.04

Finding the Fourth Proportional to 548,990.42, 823,539.72 and 189,190.04

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Solution

The fourth proportional to 548,990.42, 823,539.72 and 189,190.04 is: 283,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,990.42 : 823,539.72 = 189,190.04 : x
  2. Step 2: Convert to fraction form
    548,990.42/823,539.72 = 189,190.04/x
  3. Step 3: Cross multiply
    548,990.42x = 823,539.72 × 189,190.04
  4. Step 4: Simplify right side
    548,990.42x = 155,805,512,568.39
  5. Step 5: Solve for x
    x = 155,805,512,568.39/548,990.42
  6. Step 6: Final answer
    x = 283,803.70

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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.