Home / 753,853.26-1,040,288.96-431,593.34

Finding the Fourth Proportional to 753,853.26, 1,040,288.96 and 431,593.34

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Solution

The fourth proportional to 753,853.26, 1,040,288.96 and 431,593.34 is: 595,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,853.26 : 1,040,288.96 = 431,593.34 : x
  2. Step 2: Convert to fraction form
    753,853.26/1,040,288.96 = 431,593.34/x
  3. Step 3: Cross multiply
    753,853.26x = 1,040,288.96 × 431,593.34
  4. Step 4: Simplify right side
    753,853.26x = 448,981,784,653.56
  5. Step 5: Solve for x
    x = 448,981,784,653.56/753,853.26
  6. Step 6: Final answer
    x = 595,582.47

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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.