Home / 827,279.00-1,141,769.31-505,174.91

Finding the Fourth Proportional to 827,279.00, 1,141,769.31 and 505,174.91

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Solution

The fourth proportional to 827,279.00, 1,141,769.31 and 505,174.91 is: 697,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,279.00 : 1,141,769.31 = 505,174.91 : x
  2. Step 2: Convert to fraction form
    827,279.00/1,141,769.31 = 505,174.91/x
  3. Step 3: Cross multiply
    827,279.00x = 1,141,769.31 × 505,174.91
  4. Step 4: Simplify right side
    827,279.00x = 576,793,202,711.17
  5. Step 5: Solve for x
    x = 576,793,202,711.17/827,279.00
  6. Step 6: Final answer
    x = 697,217.27

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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.