Home / 694,713.16-1,042,087.38-189,278.20

Finding the Fourth Proportional to 694,713.16, 1,042,087.38 and 189,278.20

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Solution

The fourth proportional to 694,713.16, 1,042,087.38 and 189,278.20 is: 283,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,713.16 : 1,042,087.38 = 189,278.20 : x
  2. Step 2: Convert to fraction form
    694,713.16/1,042,087.38 = 189,278.20/x
  3. Step 3: Cross multiply
    694,713.16x = 1,042,087.38 × 189,278.20
  4. Step 4: Simplify right side
    694,713.16x = 197,244,423,529.12
  5. Step 5: Solve for x
    x = 197,244,423,529.12/694,713.16
  6. Step 6: Final answer
    x = 283,922.11

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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.