Home / 856,716.57-1,182,275.87-474,749.73

Finding the Fourth Proportional to 856,716.57, 1,182,275.87 and 474,749.73

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Solution

The fourth proportional to 856,716.57, 1,182,275.87 and 474,749.73 is: 655,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,716.57 : 1,182,275.87 = 474,749.73 : x
  2. Step 2: Convert to fraction form
    856,716.57/1,182,275.87 = 474,749.73/x
  3. Step 3: Cross multiply
    856,716.57x = 1,182,275.87 × 474,749.73
  4. Step 4: Simplify right side
    856,716.57x = 561,285,147,694.27
  5. Step 5: Solve for x
    x = 561,285,147,694.27/856,716.57
  6. Step 6: Final answer
    x = 655,158.51

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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.