Home / 395,126.92-592,091.68-261,528.56

Finding the Fourth Proportional to 395,126.92, 592,091.68 and 261,528.56

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Solution

The fourth proportional to 395,126.92, 592,091.68 and 261,528.56 is: 391,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,126.92 : 592,091.68 = 261,528.56 : x
  2. Step 2: Convert to fraction form
    395,126.92/592,091.68 = 261,528.56/x
  3. Step 3: Cross multiply
    395,126.92x = 592,091.68 × 261,528.56
  4. Step 4: Simplify right side
    395,126.92x = 154,848,881,497.92
  5. Step 5: Solve for x
    x = 154,848,881,497.92/395,126.92
  6. Step 6: Final answer
    x = 391,896.57

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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.