Home / 820,784.68-1,231,566.92-568,453.48

Finding the Fourth Proportional to 820,784.68, 1,231,566.92 and 568,453.48

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Solution

The fourth proportional to 820,784.68, 1,231,566.92 and 568,453.48 is: 852,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,784.68 : 1,231,566.92 = 568,453.48 : x
  2. Step 2: Convert to fraction form
    820,784.68/1,231,566.92 = 568,453.48/x
  3. Step 3: Cross multiply
    820,784.68x = 1,231,566.92 × 568,453.48
  4. Step 4: Simplify right side
    820,784.68x = 700,088,501,526.88
  5. Step 5: Solve for x
    x = 700,088,501,526.88/820,784.68
  6. Step 6: Final answer
    x = 852,950.25

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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.