Home / 775,077.27-1,161,988.56-242,324.07

Finding the Fourth Proportional to 775,077.27, 1,161,988.56 and 242,324.07

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Solution

The fourth proportional to 775,077.27, 1,161,988.56 and 242,324.07 is: 363,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,077.27 : 1,161,988.56 = 242,324.07 : x
  2. Step 2: Convert to fraction form
    775,077.27/1,161,988.56 = 242,324.07/x
  3. Step 3: Cross multiply
    775,077.27x = 1,161,988.56 × 242,324.07
  4. Step 4: Simplify right side
    775,077.27x = 281,577,797,152.64
  5. Step 5: Solve for x
    x = 281,577,797,152.64/775,077.27
  6. Step 6: Final answer
    x = 363,289.97

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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.