Home / 925,723.56-1,276,939.91-611,397.33

Finding the Fourth Proportional to 925,723.56, 1,276,939.91 and 611,397.33

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Solution

The fourth proportional to 925,723.56, 1,276,939.91 and 611,397.33 is: 843,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,723.56 : 1,276,939.91 = 611,397.33 : x
  2. Step 2: Convert to fraction form
    925,723.56/1,276,939.91 = 611,397.33/x
  3. Step 3: Cross multiply
    925,723.56x = 1,276,939.91 × 611,397.33
  4. Step 4: Simplify right side
    925,723.56x = 780,717,644,943.20
  5. Step 5: Solve for x
    x = 780,717,644,943.20/925,723.56
  6. Step 6: Final answer
    x = 843,359.38

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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.