Home / 693,325.58-1,039,988.38-187,886.54

Finding the Fourth Proportional to 693,325.58, 1,039,988.38 and 187,886.54

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Solution

The fourth proportional to 693,325.58, 1,039,988.38 and 187,886.54 is: 281,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,325.58 : 1,039,988.38 = 187,886.54 : x
  2. Step 2: Convert to fraction form
    693,325.58/1,039,988.38 = 187,886.54/x
  3. Step 3: Cross multiply
    693,325.58x = 1,039,988.38 × 187,886.54
  4. Step 4: Simplify right side
    693,325.58x = 195,399,814,991.01
  5. Step 5: Solve for x
    x = 195,399,814,991.01/693,325.58
  6. Step 6: Final answer
    x = 281,829.81

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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.