Home / 405,462.57-559,515.78-224,163.92

Finding the Fourth Proportional to 405,462.57, 559,515.78 and 224,163.92

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Solution

The fourth proportional to 405,462.57, 559,515.78 and 224,163.92 is: 309,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,462.57 : 559,515.78 = 224,163.92 : x
  2. Step 2: Convert to fraction form
    405,462.57/559,515.78 = 224,163.92/x
  3. Step 3: Cross multiply
    405,462.57x = 559,515.78 × 224,163.92
  4. Step 4: Simplify right side
    405,462.57x = 125,423,247,749.08
  5. Step 5: Solve for x
    x = 125,423,247,749.08/405,462.57
  6. Step 6: Final answer
    x = 309,333.73

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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.