Home / 693,210.44-1,039,812.38-187,770.44

Finding the Fourth Proportional to 693,210.44, 1,039,812.38 and 187,770.44

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Solution

The fourth proportional to 693,210.44, 1,039,812.38 and 187,770.44 is: 281,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,210.44 : 1,039,812.38 = 187,770.44 : x
  2. Step 2: Convert to fraction form
    693,210.44/1,039,812.38 = 187,770.44/x
  3. Step 3: Cross multiply
    693,210.44x = 1,039,812.38 × 187,770.44
  4. Step 4: Simplify right side
    693,210.44x = 195,246,028,110.05
  5. Step 5: Solve for x
    x = 195,246,028,110.05/693,210.44
  6. Step 6: Final answer
    x = 281,654.77

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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.