Home / 399,824.60-599,518.20-162,899.60

Finding the Fourth Proportional to 399,824.60, 599,518.20 and 162,899.60

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Solution

The fourth proportional to 399,824.60, 599,518.20 and 162,899.60 is: 244,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,824.60 : 599,518.20 = 162,899.60 : x
  2. Step 2: Convert to fraction form
    399,824.60/599,518.20 = 162,899.60/x
  3. Step 3: Cross multiply
    399,824.60x = 599,518.20 × 162,899.60
  4. Step 4: Simplify right side
    399,824.60x = 97,661,274,972.72
  5. Step 5: Solve for x
    x = 97,661,274,972.72/399,824.60
  6. Step 6: Final answer
    x = 244,260.30

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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.