Home / 405,476.78-559,528.49-224,190.95

Finding the Fourth Proportional to 405,476.78, 559,528.49 and 224,190.95

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Solution

The fourth proportional to 405,476.78, 559,528.49 and 224,190.95 is: 309,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,476.78 : 559,528.49 = 224,190.95 : x
  2. Step 2: Convert to fraction form
    405,476.78/559,528.49 = 224,190.95/x
  3. Step 3: Cross multiply
    405,476.78x = 559,528.49 × 224,190.95
  4. Step 4: Simplify right side
    405,476.78x = 125,441,221,488.00
  5. Step 5: Solve for x
    x = 125,441,221,488.00/405,476.78
  6. Step 6: Final answer
    x = 309,367.22

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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.