Home / 727,982.40-1,091,976.20-222,541.36

Finding the Fourth Proportional to 727,982.40, 1,091,976.20 and 222,541.36

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Solution

The fourth proportional to 727,982.40, 1,091,976.20 and 222,541.36 is: 333,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,982.40 : 1,091,976.20 = 222,541.36 : x
  2. Step 2: Convert to fraction form
    727,982.40/1,091,976.20 = 222,541.36/x
  3. Step 3: Cross multiply
    727,982.40x = 1,091,976.20 × 222,541.36
  4. Step 4: Simplify right side
    727,982.40x = 243,009,868,635.63
  5. Step 5: Solve for x
    x = 243,009,868,635.63/727,982.40
  6. Step 6: Final answer
    x = 333,812.83

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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.