Home / 957,469.76-1,321,292.50-527,789.87

Finding the Fourth Proportional to 957,469.76, 1,321,292.50 and 527,789.87

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Solution

The fourth proportional to 957,469.76, 1,321,292.50 and 527,789.87 is: 728,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,469.76 : 1,321,292.50 = 527,789.87 : x
  2. Step 2: Convert to fraction form
    957,469.76/1,321,292.50 = 527,789.87/x
  3. Step 3: Cross multiply
    957,469.76x = 1,321,292.50 × 527,789.87
  4. Step 4: Simplify right side
    957,469.76x = 697,364,804,236.97
  5. Step 5: Solve for x
    x = 697,364,804,236.97/957,469.76
  6. Step 6: Final answer
    x = 728,341.33

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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.