Home / 405,204.80-559,216.30-223,952.12

Finding the Fourth Proportional to 405,204.80, 559,216.30 and 223,952.12

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Solution

The fourth proportional to 405,204.80, 559,216.30 and 223,952.12 is: 309,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,204.80 : 559,216.30 = 223,952.12 : x
  2. Step 2: Convert to fraction form
    405,204.80/559,216.30 = 223,952.12/x
  3. Step 3: Cross multiply
    405,204.80x = 559,216.30 × 223,952.12
  4. Step 4: Simplify right side
    405,204.80x = 125,237,675,923.56
  5. Step 5: Solve for x
    x = 125,237,675,923.56/405,204.80
  6. Step 6: Final answer
    x = 309,072.54

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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.