Home / 957,469.12-1,321,291.60-527,789.23

Finding the Fourth Proportional to 957,469.12, 1,321,291.60 and 527,789.23

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Solution

The fourth proportional to 957,469.12, 1,321,291.60 and 527,789.23 is: 728,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,469.12 : 1,321,291.60 = 527,789.23 : x
  2. Step 2: Convert to fraction form
    957,469.12/1,321,291.60 = 527,789.23/x
  3. Step 3: Cross multiply
    957,469.12x = 1,321,291.60 × 527,789.23
  4. Step 4: Simplify right side
    957,469.12x = 697,363,471,546.77
  5. Step 5: Solve for x
    x = 697,363,471,546.77/957,469.12
  6. Step 6: Final answer
    x = 728,340.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.