Home / 856,976.67-1,179,935.44-727,645.59

Finding the Fourth Proportional to 856,976.67, 1,179,935.44 and 727,645.59

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Solution

The fourth proportional to 856,976.67, 1,179,935.44 and 727,645.59 is: 1,001,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,976.67 : 1,179,935.44 = 727,645.59 : x
  2. Step 2: Convert to fraction form
    856,976.67/1,179,935.44 = 727,645.59/x
  3. Step 3: Cross multiply
    856,976.67x = 1,179,935.44 × 727,645.59
  4. Step 4: Simplify right side
    856,976.67x = 858,574,817,581.60
  5. Step 5: Solve for x
    x = 858,574,817,581.60/856,976.67
  6. Step 6: Final answer
    x = 1,001,864.87

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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.