Home / 545,002.20-818,885.70-484,176.60

Finding the Fourth Proportional to 545,002.20, 818,885.70 and 484,176.60

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Solution

The fourth proportional to 545,002.20, 818,885.70 and 484,176.60 is: 727,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,002.20 : 818,885.70 = 484,176.60 : x
  2. Step 2: Convert to fraction form
    545,002.20/818,885.70 = 484,176.60/x
  3. Step 3: Cross multiply
    545,002.20x = 818,885.70 × 484,176.60
  4. Step 4: Simplify right side
    545,002.20x = 396,485,294,014.62
  5. Step 5: Solve for x
    x = 396,485,294,014.62/545,002.20
  6. Step 6: Final answer
    x = 727,493.02

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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.