Home / 753,189-1,129,782.46-192,223.48

Finding the Fourth Proportional to 753,189, 1,129,782.46 and 192,223.48

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Solution

The fourth proportional to 753,189, 1,129,782.46 and 192,223.48 is: 288,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,189 : 1,129,782.46 = 192,223.48 : x
  2. Step 2: Convert to fraction form
    753,189/1,129,782.46 = 192,223.48/x
  3. Step 3: Cross multiply
    753,189x = 1,129,782.46 × 192,223.48
  4. Step 4: Simplify right side
    753,189x = 217,170,716,104.16
  5. Step 5: Solve for x
    x = 217,170,716,104.16/753,189
  6. Step 6: Final answer
    x = 288,334.95

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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.