Home / 693,338.22-1,040,007.31-187,899.21

Finding the Fourth Proportional to 693,338.22, 1,040,007.31 and 187,899.21

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Solution

The fourth proportional to 693,338.22, 1,040,007.31 and 187,899.21 is: 281,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,338.22 : 1,040,007.31 = 187,899.21 : x
  2. Step 2: Convert to fraction form
    693,338.22/1,040,007.31 = 187,899.21/x
  3. Step 3: Cross multiply
    693,338.22x = 1,040,007.31 × 187,899.21
  4. Step 4: Simplify right side
    693,338.22x = 195,416,551,943.23
  5. Step 5: Solve for x
    x = 195,416,551,943.23/693,338.22
  6. Step 6: Final answer
    x = 281,848.81

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1.5x scale

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.