Home / 826,939.09-1,140,579.52-759,171.25

Finding the Fourth Proportional to 826,939.09, 1,140,579.52 and 759,171.25

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Solution

The fourth proportional to 826,939.09, 1,140,579.52 and 759,171.25 is: 1,047,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,939.09 : 1,140,579.52 = 759,171.25 : x
  2. Step 2: Convert to fraction form
    826,939.09/1,140,579.52 = 759,171.25/x
  3. Step 3: Cross multiply
    826,939.09x = 1,140,579.52 × 759,171.25
  4. Step 4: Simplify right side
    826,939.09x = 865,895,179,922.80
  5. Step 5: Solve for x
    x = 865,895,179,922.80/826,939.09
  6. Step 6: Final answer
    x = 1,047,108.78

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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.