Home / 683,995.11-1,026,102.91-210,680.25

Finding the Fourth Proportional to 683,995.11, 1,026,102.91 and 210,680.25

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Solution

The fourth proportional to 683,995.11, 1,026,102.91 and 210,680.25 is: 316,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,995.11 : 1,026,102.91 = 210,680.25 : x
  2. Step 2: Convert to fraction form
    683,995.11/1,026,102.91 = 210,680.25/x
  3. Step 3: Cross multiply
    683,995.11x = 1,026,102.91 × 210,680.25
  4. Step 4: Simplify right side
    683,995.11x = 216,179,617,604.53
  5. Step 5: Solve for x
    x = 216,179,617,604.53/683,995.11
  6. Step 6: Final answer
    x = 316,054.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.