Home / 784,858.80-1,082,773.92-493,954.59

Finding the Fourth Proportional to 784,858.80, 1,082,773.92 and 493,954.59

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Solution

The fourth proportional to 784,858.80, 1,082,773.92 and 493,954.59 is: 681,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,858.80 : 1,082,773.92 = 493,954.59 : x
  2. Step 2: Convert to fraction form
    784,858.80/1,082,773.92 = 493,954.59/x
  3. Step 3: Cross multiply
    784,858.80x = 1,082,773.92 × 493,954.59
  4. Step 4: Simplify right side
    784,858.80x = 534,841,147,716.29
  5. Step 5: Solve for x
    x = 534,841,147,716.29/784,858.80
  6. Step 6: Final answer
    x = 681,448.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.