Home / 858,067.16-1,189,557.73-812,566.62

Finding the Fourth Proportional to 858,067.16, 1,189,557.73 and 812,566.62

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Solution

The fourth proportional to 858,067.16, 1,189,557.73 and 812,566.62 is: 1,126,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,067.16 : 1,189,557.73 = 812,566.62 : x
  2. Step 2: Convert to fraction form
    858,067.16/1,189,557.73 = 812,566.62/x
  3. Step 3: Cross multiply
    858,067.16x = 1,189,557.73 × 812,566.62
  4. Step 4: Simplify right side
    858,067.16x = 966,594,904,976.68
  5. Step 5: Solve for x
    x = 966,594,904,976.68/858,067.16
  6. Step 6: Final answer
    x = 1,126,479.32

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.