Home / 792,642.87-1,087,121.57-760,091.82

Finding the Fourth Proportional to 792,642.87, 1,087,121.57 and 760,091.82

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Solution

The fourth proportional to 792,642.87, 1,087,121.57 and 760,091.82 is: 1,042,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,642.87 : 1,087,121.57 = 760,091.82 : x
  2. Step 2: Convert to fraction form
    792,642.87/1,087,121.57 = 760,091.82/x
  3. Step 3: Cross multiply
    792,642.87x = 1,087,121.57 × 760,091.82
  4. Step 4: Simplify right side
    792,642.87x = 826,312,208,902.10
  5. Step 5: Solve for x
    x = 826,312,208,902.10/792,642.87
  6. Step 6: Final answer
    x = 1,042,477.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.