Home / 766,776.64-1,150,165.23-205,811.14

Finding the Fourth Proportional to 766,776.64, 1,150,165.23 and 205,811.14

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Solution

The fourth proportional to 766,776.64, 1,150,165.23 and 205,811.14 is: 308,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,776.64 : 1,150,165.23 = 205,811.14 : x
  2. Step 2: Convert to fraction form
    766,776.64/1,150,165.23 = 205,811.14/x
  3. Step 3: Cross multiply
    766,776.64x = 1,150,165.23 × 205,811.14
  4. Step 4: Simplify right side
    766,776.64x = 236,716,817,174.66
  5. Step 5: Solve for x
    x = 236,716,817,174.66/766,776.64
  6. Step 6: Final answer
    x = 308,716.78

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Double scale
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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.