Home / 1,228,976.66-1,696,088.80-677,800.19

Finding the Fourth Proportional to 1,228,976.66, 1,696,088.80 and 677,800.19

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Solution

The fourth proportional to 1,228,976.66, 1,696,088.80 and 677,800.19 is: 935,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,976.66 : 1,696,088.80 = 677,800.19 : x
  2. Step 2: Convert to fraction form
    1,228,976.66/1,696,088.80 = 677,800.19/x
  3. Step 3: Cross multiply
    1,228,976.66x = 1,696,088.80 × 677,800.19
  4. Step 4: Simplify right side
    1,228,976.66x = 1,149,609,310,896.87
  5. Step 5: Solve for x
    x = 1,149,609,310,896.87/1,228,976.66
  6. Step 6: Final answer
    x = 935,419.97

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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.