Home / 407,052.74-561,767.20-225,822.94

Finding the Fourth Proportional to 407,052.74, 561,767.20 and 225,822.94

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Solution

The fourth proportional to 407,052.74, 561,767.20 and 225,822.94 is: 311,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,052.74 : 561,767.20 = 225,822.94 : x
  2. Step 2: Convert to fraction form
    407,052.74/561,767.20 = 225,822.94/x
  3. Step 3: Cross multiply
    407,052.74x = 561,767.20 × 225,822.94
  4. Step 4: Simplify right side
    407,052.74x = 126,859,918,730.59
  5. Step 5: Solve for x
    x = 126,859,918,730.59/407,052.74
  6. Step 6: Final answer
    x = 311,654.75

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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.