Home / 407,194.20-561,995.45-225,964.35

Finding the Fourth Proportional to 407,194.20, 561,995.45 and 225,964.35

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Solution

The fourth proportional to 407,194.20, 561,995.45 and 225,964.35 is: 311,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,194.20 : 561,995.45 = 225,964.35 : x
  2. Step 2: Convert to fraction form
    407,194.20/561,995.45 = 225,964.35/x
  3. Step 3: Cross multiply
    407,194.20x = 561,995.45 × 225,964.35
  4. Step 4: Simplify right side
    407,194.20x = 126,990,936,562.21
  5. Step 5: Solve for x
    x = 126,990,936,562.21/407,194.20
  6. Step 6: Final answer
    x = 311,868.24

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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.