Home / 1,485,770.56-2,229,541.20-539,215.06

Finding the Fourth Proportional to 1,485,770.56, 2,229,541.20 and 539,215.06

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Solution

The fourth proportional to 1,485,770.56, 2,229,541.20 and 539,215.06 is: 809,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,770.56 : 2,229,541.20 = 539,215.06 : x
  2. Step 2: Convert to fraction form
    1,485,770.56/2,229,541.20 = 539,215.06/x
  3. Step 3: Cross multiply
    1,485,770.56x = 2,229,541.20 × 539,215.06
  4. Step 4: Simplify right side
    1,485,770.56x = 1,202,202,191,930.47
  5. Step 5: Solve for x
    x = 1,202,202,191,930.47/1,485,770.56
  6. Step 6: Final answer
    x = 809,143.90

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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.