Home / 809,598.60-1,214,543.70-336,331.80

Finding the Fourth Proportional to 809,598.60, 1,214,543.70 and 336,331.80

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Solution

The fourth proportional to 809,598.60, 1,214,543.70 and 336,331.80 is: 504,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,598.60 : 1,214,543.70 = 336,331.80 : x
  2. Step 2: Convert to fraction form
    809,598.60/1,214,543.70 = 336,331.80/x
  3. Step 3: Cross multiply
    809,598.60x = 1,214,543.70 × 336,331.80
  4. Step 4: Simplify right side
    809,598.60x = 408,489,668,799.66
  5. Step 5: Solve for x
    x = 408,489,668,799.66/809,598.60
  6. Step 6: Final answer
    x = 504,558.27

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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.