Home / 537,938.20-806,561.70-222,520.60

Finding the Fourth Proportional to 537,938.20, 806,561.70 and 222,520.60

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Solution

The fourth proportional to 537,938.20, 806,561.70 and 222,520.60 is: 333,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,938.20 : 806,561.70 = 222,520.60 : x
  2. Step 2: Convert to fraction form
    537,938.20/806,561.70 = 222,520.60/x
  3. Step 3: Cross multiply
    537,938.20x = 806,561.70 × 222,520.60
  4. Step 4: Simplify right side
    537,938.20x = 179,476,593,421.02
  5. Step 5: Solve for x
    x = 179,476,593,421.02/537,938.20
  6. Step 6: Final answer
    x = 333,637.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.