Home / 753,222-1,129,831.96-192,256.56

Finding the Fourth Proportional to 753,222, 1,129,831.96 and 192,256.56

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Solution

The fourth proportional to 753,222, 1,129,831.96 and 192,256.56 is: 288,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,222 : 1,129,831.96 = 192,256.56 : x
  2. Step 2: Convert to fraction form
    753,222/1,129,831.96 = 192,256.56/x
  3. Step 3: Cross multiply
    753,222x = 1,129,831.96 × 192,256.56
  4. Step 4: Simplify right side
    753,222x = 217,217,606,007.66
  5. Step 5: Solve for x
    x = 217,217,606,007.66/753,222
  6. Step 6: Final answer
    x = 288,384.57

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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.