Home / 537,539.20-805,963.20-222,121.60

Finding the Fourth Proportional to 537,539.20, 805,963.20 and 222,121.60

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Solution

The fourth proportional to 537,539.20, 805,963.20 and 222,121.60 is: 333,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,539.20 : 805,963.20 = 222,121.60 : x
  2. Step 2: Convert to fraction form
    537,539.20/805,963.20 = 222,121.60/x
  3. Step 3: Cross multiply
    537,539.20x = 805,963.20 × 222,121.60
  4. Step 4: Simplify right side
    537,539.20x = 179,021,835,525.12
  5. Step 5: Solve for x
    x = 179,021,835,525.12/537,539.20
  6. Step 6: Final answer
    x = 333,039.59

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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.