Home / 825,634.29-1,138,891.43-519,224.65

Finding the Fourth Proportional to 825,634.29, 1,138,891.43 and 519,224.65

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Solution

The fourth proportional to 825,634.29, 1,138,891.43 and 519,224.65 is: 716,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,634.29 : 1,138,891.43 = 519,224.65 : x
  2. Step 2: Convert to fraction form
    825,634.29/1,138,891.43 = 519,224.65/x
  3. Step 3: Cross multiply
    825,634.29x = 1,138,891.43 × 519,224.65
  4. Step 4: Simplify right side
    825,634.29x = 591,340,504,129.75
  5. Step 5: Solve for x
    x = 591,340,504,129.75/825,634.29
  6. Step 6: Final answer
    x = 716,225.71

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Double scale
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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.