Home / 957,007.83-1,320,729.57-527,287.85

Finding the Fourth Proportional to 957,007.83, 1,320,729.57 and 527,287.85

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Solution

The fourth proportional to 957,007.83, 1,320,729.57 and 527,287.85 is: 727,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,007.83 : 1,320,729.57 = 527,287.85 : x
  2. Step 2: Convert to fraction form
    957,007.83/1,320,729.57 = 527,287.85/x
  3. Step 3: Cross multiply
    957,007.83x = 1,320,729.57 × 527,287.85
  4. Step 4: Simplify right side
    957,007.83x = 696,404,655,396.73
  5. Step 5: Solve for x
    x = 696,404,655,396.73/957,007.83
  6. Step 6: Final answer
    x = 727,689.61

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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.