Home / 395,131.92-592,099.18-261,533.56

Finding the Fourth Proportional to 395,131.92, 592,099.18 and 261,533.56

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Solution

The fourth proportional to 395,131.92, 592,099.18 and 261,533.56 is: 391,904.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,131.92 : 592,099.18 = 261,533.56 : x
  2. Step 2: Convert to fraction form
    395,131.92/592,099.18 = 261,533.56/x
  3. Step 3: Cross multiply
    395,131.92x = 592,099.18 × 261,533.56
  4. Step 4: Simplify right side
    395,131.92x = 154,853,806,418.48
  5. Step 5: Solve for x
    x = 154,853,806,418.48/395,131.92
  6. Step 6: Final answer
    x = 391,904.07

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1.5x scale

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.