Home / 405,828.12-560,035.42-224,540.04

Finding the Fourth Proportional to 405,828.12, 560,035.42 and 224,540.04

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Solution

The fourth proportional to 405,828.12, 560,035.42 and 224,540.04 is: 309,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,828.12 : 560,035.42 = 224,540.04 : x
  2. Step 2: Convert to fraction form
    405,828.12/560,035.42 = 224,540.04/x
  3. Step 3: Cross multiply
    405,828.12x = 560,035.42 × 224,540.04
  4. Step 4: Simplify right side
    405,828.12x = 125,750,375,608.22
  5. Step 5: Solve for x
    x = 125,750,375,608.22/405,828.12
  6. Step 6: Final answer
    x = 309,861.17

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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.