Home / 913,229.82-1,260,258.66-505,348.83

Finding the Fourth Proportional to 913,229.82, 1,260,258.66 and 505,348.83

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Solution

The fourth proportional to 913,229.82, 1,260,258.66 and 505,348.83 is: 697,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,229.82 : 1,260,258.66 = 505,348.83 : x
  2. Step 2: Convert to fraction form
    913,229.82/1,260,258.66 = 505,348.83/x
  3. Step 3: Cross multiply
    913,229.82x = 1,260,258.66 × 505,348.83
  4. Step 4: Simplify right side
    913,229.82x = 636,870,239,328.37
  5. Step 5: Solve for x
    x = 636,870,239,328.37/913,229.82
  6. Step 6: Final answer
    x = 697,382.22

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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.