Home / 719,723.41-1,079,586.48-187,243.58

Finding the Fourth Proportional to 719,723.41, 1,079,586.48 and 187,243.58

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Solution

The fourth proportional to 719,723.41, 1,079,586.48 and 187,243.58 is: 280,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,723.41 : 1,079,586.48 = 187,243.58 : x
  2. Step 2: Convert to fraction form
    719,723.41/1,079,586.48 = 187,243.58/x
  3. Step 3: Cross multiply
    719,723.41x = 1,079,586.48 × 187,243.58
  4. Step 4: Simplify right side
    719,723.41x = 202,145,637,434.80
  5. Step 5: Solve for x
    x = 202,145,637,434.80/719,723.41
  6. Step 6: Final answer
    x = 280,865.73

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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.