Home / 693,338.72-1,040,008.07-187,899.71

Finding the Fourth Proportional to 693,338.72, 1,040,008.07 and 187,899.71

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Solution

The fourth proportional to 693,338.72, 1,040,008.07 and 187,899.71 is: 281,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,338.72 : 1,040,008.07 = 187,899.71 : x
  2. Step 2: Convert to fraction form
    693,338.72/1,040,008.07 = 187,899.71/x
  3. Step 3: Cross multiply
    693,338.72x = 1,040,008.07 × 187,899.71
  4. Step 4: Simplify right side
    693,338.72x = 195,417,208,611.12
  5. Step 5: Solve for x
    x = 195,417,208,611.12/693,338.72
  6. Step 6: Final answer
    x = 281,849.55

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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.