Home / 1,112,210.44-1,668,548.94-481,213.96

Finding the Fourth Proportional to 1,112,210.44, 1,668,548.94 and 481,213.96

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Solution

The fourth proportional to 1,112,210.44, 1,668,548.94 and 481,213.96 is: 721,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,210.44 : 1,668,548.94 = 481,213.96 : x
  2. Step 2: Convert to fraction form
    1,112,210.44/1,668,548.94 = 481,213.96/x
  3. Step 3: Cross multiply
    1,112,210.44x = 1,668,548.94 × 481,213.96
  4. Step 4: Simplify right side
    1,112,210.44x = 802,929,042,871.20
  5. Step 5: Solve for x
    x = 802,929,042,871.20/1,112,210.44
  6. Step 6: Final answer
    x = 721,921.87

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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.