Home / 928,562.52-1,392,844.24-612,945.66

Finding the Fourth Proportional to 928,562.52, 1,392,844.24 and 612,945.66

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Solution

The fourth proportional to 928,562.52, 1,392,844.24 and 612,945.66 is: 919,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,562.52 : 1,392,844.24 = 612,945.66 : x
  2. Step 2: Convert to fraction form
    928,562.52/1,392,844.24 = 612,945.66/x
  3. Step 3: Cross multiply
    928,562.52x = 1,392,844.24 × 612,945.66
  4. Step 4: Simplify right side
    928,562.52x = 853,737,831,964.00
  5. Step 5: Solve for x
    x = 853,737,831,964.00/928,562.52
  6. Step 6: Final answer
    x = 919,418.79

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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.