Home / 324,502.07-486,753.47-84,615.76

Finding the Fourth Proportional to 324,502.07, 486,753.47 and 84,615.76

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Solution

The fourth proportional to 324,502.07, 486,753.47 and 84,615.76 is: 126,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,502.07 : 486,753.47 = 84,615.76 : x
  2. Step 2: Convert to fraction form
    324,502.07/486,753.47 = 84,615.76/x
  3. Step 3: Cross multiply
    324,502.07x = 486,753.47 × 84,615.76
  4. Step 4: Simplify right side
    324,502.07x = 41,187,012,561.37
  5. Step 5: Solve for x
    x = 41,187,012,561.37/324,502.07
  6. Step 6: Final answer
    x = 126,923.73

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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.