Home / 407,193.20-561,994.07-225,963.35

Finding the Fourth Proportional to 407,193.20, 561,994.07 and 225,963.35

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Solution

The fourth proportional to 407,193.20, 561,994.07 and 225,963.35 is: 311,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,193.20 : 561,994.07 = 225,963.35 : x
  2. Step 2: Convert to fraction form
    407,193.20/561,994.07 = 225,963.35/x
  3. Step 3: Cross multiply
    407,193.20x = 561,994.07 × 225,963.35
  4. Step 4: Simplify right side
    407,193.20x = 126,990,061,230.98
  5. Step 5: Solve for x
    x = 126,990,061,230.98/407,193.20
  6. Step 6: Final answer
    x = 311,866.85

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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.