Home / 532,615.68-734,979.83-303,228.81

Finding the Fourth Proportional to 532,615.68, 734,979.83 and 303,228.81

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Solution

The fourth proportional to 532,615.68, 734,979.83 and 303,228.81 is: 418,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,615.68 : 734,979.83 = 303,228.81 : x
  2. Step 2: Convert to fraction form
    532,615.68/734,979.83 = 303,228.81/x
  3. Step 3: Cross multiply
    532,615.68x = 734,979.83 × 303,228.81
  4. Step 4: Simplify right side
    532,615.68x = 222,867,057,708.76
  5. Step 5: Solve for x
    x = 222,867,057,708.76/532,615.68
  6. Step 6: Final answer
    x = 418,438.78

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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.