Home / 406,441.05-560,881.29-225,152.43

Finding the Fourth Proportional to 406,441.05, 560,881.29 and 225,152.43

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Solution

The fourth proportional to 406,441.05, 560,881.29 and 225,152.43 is: 310,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,441.05 : 560,881.29 = 225,152.43 : x
  2. Step 2: Convert to fraction form
    406,441.05/560,881.29 = 225,152.43/x
  3. Step 3: Cross multiply
    406,441.05x = 560,881.29 × 225,152.43
  4. Step 4: Simplify right side
    406,441.05x = 126,283,785,385.04
  5. Step 5: Solve for x
    x = 126,283,785,385.04/406,441.05
  6. Step 6: Final answer
    x = 310,706.28

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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.