Home / 589,956.78-814,164.65-331,845.76

Finding the Fourth Proportional to 589,956.78, 814,164.65 and 331,845.76

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Solution

The fourth proportional to 589,956.78, 814,164.65 and 331,845.76 is: 457,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,956.78 : 814,164.65 = 331,845.76 : x
  2. Step 2: Convert to fraction form
    589,956.78/814,164.65 = 331,845.76/x
  3. Step 3: Cross multiply
    589,956.78x = 814,164.65 × 331,845.76
  4. Step 4: Simplify right side
    589,956.78x = 270,177,087,647.28
  5. Step 5: Solve for x
    x = 270,177,087,647.28/589,956.78
  6. Step 6: Final answer
    x = 457,960.81

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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.