Home / 664,555.60-996,736.20-191,191.60

Finding the Fourth Proportional to 664,555.60, 996,736.20 and 191,191.60

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Solution

The fourth proportional to 664,555.60, 996,736.20 and 191,191.60 is: 286,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,555.60 : 996,736.20 = 191,191.60 : x
  2. Step 2: Convert to fraction form
    664,555.60/996,736.20 = 191,191.60/x
  3. Step 3: Cross multiply
    664,555.60x = 996,736.20 × 191,191.60
  4. Step 4: Simplify right side
    664,555.60x = 190,567,588,855.92
  5. Step 5: Solve for x
    x = 190,567,588,855.92/664,555.60
  6. Step 6: Final answer
    x = 286,759.44

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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.