Home / 957,107.06-1,320,866.70-527,387.12

Finding the Fourth Proportional to 957,107.06, 1,320,866.70 and 527,387.12

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Solution

The fourth proportional to 957,107.06, 1,320,866.70 and 527,387.12 is: 727,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,107.06 : 1,320,866.70 = 527,387.12 : x
  2. Step 2: Convert to fraction form
    957,107.06/1,320,866.70 = 527,387.12/x
  3. Step 3: Cross multiply
    957,107.06x = 1,320,866.70 × 527,387.12
  4. Step 4: Simplify right side
    957,107.06x = 696,608,084,816.90
  5. Step 5: Solve for x
    x = 696,608,084,816.90/957,107.06
  6. Step 6: Final answer
    x = 727,826.71

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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.