Home / 407,194.10-561,931.24-225,917.92

Finding the Fourth Proportional to 407,194.10, 561,931.24 and 225,917.92

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Solution

The fourth proportional to 407,194.10, 561,931.24 and 225,917.92 is: 311,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,194.10 : 561,931.24 = 225,917.92 : x
  2. Step 2: Convert to fraction form
    407,194.10/561,931.24 = 225,917.92/x
  3. Step 3: Cross multiply
    407,194.10x = 561,931.24 × 225,917.92
  4. Step 4: Simplify right side
    407,194.10x = 126,950,336,923.82
  5. Step 5: Solve for x
    x = 126,950,336,923.82/407,194.10
  6. Step 6: Final answer
    x = 311,768.61

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1.5x scale

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.