Home / 406,341.06-560,564.55-263,147.22

Finding the Fourth Proportional to 406,341.06, 560,564.55 and 263,147.22

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Solution

The fourth proportional to 406,341.06, 560,564.55 and 263,147.22 is: 363,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,341.06 : 560,564.55 = 263,147.22 : x
  2. Step 2: Convert to fraction form
    406,341.06/560,564.55 = 263,147.22/x
  3. Step 3: Cross multiply
    406,341.06x = 560,564.55 × 263,147.22
  4. Step 4: Simplify right side
    406,341.06x = 147,511,002,963.05
  5. Step 5: Solve for x
    x = 147,511,002,963.05/406,341.06
  6. Step 6: Final answer
    x = 363,022.64

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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.