Home / 1,085,957.66-1,498,758.72-713,735.12

Finding the Fourth Proportional to 1,085,957.66, 1,498,758.72 and 713,735.12

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Solution

The fourth proportional to 1,085,957.66, 1,498,758.72 and 713,735.12 is: 985,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,957.66 : 1,498,758.72 = 713,735.12 : x
  2. Step 2: Convert to fraction form
    1,085,957.66/1,498,758.72 = 713,735.12/x
  3. Step 3: Cross multiply
    1,085,957.66x = 1,498,758.72 × 713,735.12
  4. Step 4: Simplify right side
    1,085,957.66x = 1,069,716,734,870.25
  5. Step 5: Solve for x
    x = 1,069,716,734,870.25/1,085,957.66
  6. Step 6: Final answer
    x = 985,044.61

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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.