Home / 405,077.25-559,006.62-226,229.25

Finding the Fourth Proportional to 405,077.25, 559,006.62 and 226,229.25

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Solution

The fourth proportional to 405,077.25, 559,006.62 and 226,229.25 is: 312,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,077.25 : 559,006.62 = 226,229.25 : x
  2. Step 2: Convert to fraction form
    405,077.25/559,006.62 = 226,229.25/x
  3. Step 3: Cross multiply
    405,077.25x = 559,006.62 × 226,229.25
  4. Step 4: Simplify right side
    405,077.25x = 126,463,648,387.64
  5. Step 5: Solve for x
    x = 126,463,648,387.64/405,077.25
  6. Step 6: Final answer
    x = 312,196.37

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1.5x scale

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.