Home / 405,743.96-559,968.52-233,667.56

Finding the Fourth Proportional to 405,743.96, 559,968.52 and 233,667.56

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Solution

The fourth proportional to 405,743.96, 559,968.52 and 233,667.56 is: 322,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,743.96 : 559,968.52 = 233,667.56 : x
  2. Step 2: Convert to fraction form
    405,743.96/559,968.52 = 233,667.56/x
  3. Step 3: Cross multiply
    405,743.96x = 559,968.52 × 233,667.56
  4. Step 4: Simplify right side
    405,743.96x = 130,846,477,745.21
  5. Step 5: Solve for x
    x = 130,846,477,745.21/405,743.96
  6. Step 6: Final answer
    x = 322,485.34

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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.