Home / 693,873.24-1,040,100.92-393,719.76

Finding the Fourth Proportional to 693,873.24, 1,040,100.92 and 393,719.76

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Solution

The fourth proportional to 693,873.24, 1,040,100.92 and 393,719.76 is: 590,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,873.24 : 1,040,100.92 = 393,719.76 : x
  2. Step 2: Convert to fraction form
    693,873.24/1,040,100.92 = 393,719.76/x
  3. Step 3: Cross multiply
    693,873.24x = 1,040,100.92 × 393,719.76
  4. Step 4: Simplify right side
    693,873.24x = 409,508,284,598.18
  5. Step 5: Solve for x
    x = 409,508,284,598.18/693,873.24
  6. Step 6: Final answer
    x = 590,177.37

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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.