Home / 809,524.80-1,211,176.80-529,588.80

Finding the Fourth Proportional to 809,524.80, 1,211,176.80 and 529,588.80

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Solution

The fourth proportional to 809,524.80, 1,211,176.80 and 529,588.80 is: 792,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,524.80 : 1,211,176.80 = 529,588.80 : x
  2. Step 2: Convert to fraction form
    809,524.80/1,211,176.80 = 529,588.80/x
  3. Step 3: Cross multiply
    809,524.80x = 1,211,176.80 × 529,588.80
  4. Step 4: Simplify right side
    809,524.80x = 641,425,668,099.84
  5. Step 5: Solve for x
    x = 641,425,668,099.84/809,524.80
  6. Step 6: Final answer
    x = 792,348.39

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1.5x scale

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.