Home / 405,497.91-559,563.06-224,195.61

Finding the Fourth Proportional to 405,497.91, 559,563.06 and 224,195.61

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Solution

The fourth proportional to 405,497.91, 559,563.06 and 224,195.61 is: 309,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,497.91 : 559,563.06 = 224,195.61 : x
  2. Step 2: Convert to fraction form
    405,497.91/559,563.06 = 224,195.61/x
  3. Step 3: Cross multiply
    405,497.91x = 559,563.06 × 224,195.61
  4. Step 4: Simplify right side
    405,497.91x = 125,451,581,570.17
  5. Step 5: Solve for x
    x = 125,451,581,570.17/405,497.91
  6. Step 6: Final answer
    x = 309,376.64

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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.