Home / 395,143.92-592,117.20-261,545.52

Finding the Fourth Proportional to 395,143.92, 592,117.20 and 261,545.52

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Solution

The fourth proportional to 395,143.92, 592,117.20 and 261,545.52 is: 391,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,143.92 : 592,117.20 = 261,545.52 : x
  2. Step 2: Convert to fraction form
    395,143.92/592,117.20 = 261,545.52/x
  3. Step 3: Cross multiply
    395,143.92x = 592,117.20 × 261,545.52
  4. Step 4: Simplify right side
    395,143.92x = 154,865,600,974.94
  5. Step 5: Solve for x
    x = 154,865,600,974.94/395,143.92
  6. Step 6: Final answer
    x = 391,922.01

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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.