Home / 806,695.36-1,113,718.80-717,015.04

Finding the Fourth Proportional to 806,695.36, 1,113,718.80 and 717,015.04

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Solution

The fourth proportional to 806,695.36, 1,113,718.80 and 717,015.04 is: 989,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,695.36 : 1,113,718.80 = 717,015.04 : x
  2. Step 2: Convert to fraction form
    806,695.36/1,113,718.80 = 717,015.04/x
  3. Step 3: Cross multiply
    806,695.36x = 1,113,718.80 × 717,015.04
  4. Step 4: Simplify right side
    806,695.36x = 798,553,129,930.75
  5. Step 5: Solve for x
    x = 798,553,129,930.75/806,695.36
  6. Step 6: Final answer
    x = 989,906.69

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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.