Home / 519,861.80-779,881.37-231,777.98

Finding the Fourth Proportional to 519,861.80, 779,881.37 and 231,777.98

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Solution

The fourth proportional to 519,861.80, 779,881.37 and 231,777.98 is: 347,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,861.80 : 779,881.37 = 231,777.98 : x
  2. Step 2: Convert to fraction form
    519,861.80/779,881.37 = 231,777.98/x
  3. Step 3: Cross multiply
    519,861.80x = 779,881.37 × 231,777.98
  4. Step 4: Simplify right side
    519,861.80x = 180,759,325,169.44
  5. Step 5: Solve for x
    x = 180,759,325,169.44/519,861.80
  6. Step 6: Final answer
    x = 347,706.49

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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.