Home / 1,129,568.20-1,558,815.32-613,326.33

Finding the Fourth Proportional to 1,129,568.20, 1,558,815.32 and 613,326.33

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Solution

The fourth proportional to 1,129,568.20, 1,558,815.32 and 613,326.33 is: 846,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,568.20 : 1,558,815.32 = 613,326.33 : x
  2. Step 2: Convert to fraction form
    1,129,568.20/1,558,815.32 = 613,326.33/x
  3. Step 3: Cross multiply
    1,129,568.20x = 1,558,815.32 × 613,326.33
  4. Step 4: Simplify right side
    1,129,568.20x = 956,062,480,896.69
  5. Step 5: Solve for x
    x = 956,062,480,896.69/1,129,568.20
  6. Step 6: Final answer
    x = 846,396.42

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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.