Home / 406,792.05-561,335.29-225,488.56

Finding the Fourth Proportional to 406,792.05, 561,335.29 and 225,488.56

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Solution

The fourth proportional to 406,792.05, 561,335.29 and 225,488.56 is: 311,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,792.05 : 561,335.29 = 225,488.56 : x
  2. Step 2: Convert to fraction form
    406,792.05/561,335.29 = 225,488.56/x
  3. Step 3: Cross multiply
    406,792.05x = 561,335.29 × 225,488.56
  4. Step 4: Simplify right side
    406,792.05x = 126,574,685,938.91
  5. Step 5: Solve for x
    x = 126,574,685,938.91/406,792.05
  6. Step 6: Final answer
    x = 311,153.29

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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.