Home / 405,034.82-559,016.27-235,367.36

Finding the Fourth Proportional to 405,034.82, 559,016.27 and 235,367.36

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Solution

The fourth proportional to 405,034.82, 559,016.27 and 235,367.36 is: 324,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,034.82 : 559,016.27 = 235,367.36 : x
  2. Step 2: Convert to fraction form
    405,034.82/559,016.27 = 235,367.36/x
  3. Step 3: Cross multiply
    405,034.82x = 559,016.27 × 235,367.36
  4. Step 4: Simplify right side
    405,034.82x = 131,574,179,695.03
  5. Step 5: Solve for x
    x = 131,574,179,695.03/405,034.82
  6. Step 6: Final answer
    x = 324,846.59

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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.