Home / 407,091.26-561,787.98-225,790.58

Finding the Fourth Proportional to 407,091.26, 561,787.98 and 225,790.58

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Solution

The fourth proportional to 407,091.26, 561,787.98 and 225,790.58 is: 311,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,091.26 : 561,787.98 = 225,790.58 : x
  2. Step 2: Convert to fraction form
    407,091.26/561,787.98 = 225,790.58/x
  3. Step 3: Cross multiply
    407,091.26x = 561,787.98 × 225,790.58
  4. Step 4: Simplify right side
    407,091.26x = 126,846,433,841.23
  5. Step 5: Solve for x
    x = 126,846,433,841.23/407,091.26
  6. Step 6: Final answer
    x = 311,592.13

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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.