Home / 986,836.92-1,361,410.29-579,063.48

Finding the Fourth Proportional to 986,836.92, 1,361,410.29 and 579,063.48

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Solution

The fourth proportional to 986,836.92, 1,361,410.29 and 579,063.48 is: 798,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,836.92 : 1,361,410.29 = 579,063.48 : x
  2. Step 2: Convert to fraction form
    986,836.92/1,361,410.29 = 579,063.48/x
  3. Step 3: Cross multiply
    986,836.92x = 1,361,410.29 × 579,063.48
  4. Step 4: Simplify right side
    986,836.92x = 788,342,980,235.21
  5. Step 5: Solve for x
    x = 788,342,980,235.21/986,836.92
  6. Step 6: Final answer
    x = 798,858.42

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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.