Home / 537,538.20-805,961.70-222,120.60

Finding the Fourth Proportional to 537,538.20, 805,961.70 and 222,120.60

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Solution

The fourth proportional to 537,538.20, 805,961.70 and 222,120.60 is: 333,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,538.20 : 805,961.70 = 222,120.60 : x
  2. Step 2: Convert to fraction form
    537,538.20/805,961.70 = 222,120.60/x
  3. Step 3: Cross multiply
    537,538.20x = 805,961.70 × 222,120.60
  4. Step 4: Simplify right side
    537,538.20x = 179,020,696,381.02
  5. Step 5: Solve for x
    x = 179,020,696,381.02/537,538.20
  6. Step 6: Final answer
    x = 333,038.09

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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.