Home / 436,691.56-654,815.76-199,831.27

Finding the Fourth Proportional to 436,691.56, 654,815.76 and 199,831.27

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Solution

The fourth proportional to 436,691.56, 654,815.76 and 199,831.27 is: 299,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,691.56 : 654,815.76 = 199,831.27 : x
  2. Step 2: Convert to fraction form
    436,691.56/654,815.76 = 199,831.27/x
  3. Step 3: Cross multiply
    436,691.56x = 654,815.76 × 199,831.27
  4. Step 4: Simplify right side
    436,691.56x = 130,852,664,936.82
  5. Step 5: Solve for x
    x = 130,852,664,936.82/436,691.56
  6. Step 6: Final answer
    x = 299,645.51

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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.