Home / 305,274.39-457,933.46-80,632.59

Finding the Fourth Proportional to 305,274.39, 457,933.46 and 80,632.59

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Solution

The fourth proportional to 305,274.39, 457,933.46 and 80,632.59 is: 120,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,274.39 : 457,933.46 = 80,632.59 : x
  2. Step 2: Convert to fraction form
    305,274.39/457,933.46 = 80,632.59/x
  3. Step 3: Cross multiply
    305,274.39x = 457,933.46 × 80,632.59
  4. Step 4: Simplify right side
    305,274.39x = 36,924,360,524.30
  5. Step 5: Solve for x
    x = 36,924,360,524.30/305,274.39
  6. Step 6: Final answer
    x = 120,954.66

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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.