Home / 719,723.49-1,079,586.53-187,243.67

Finding the Fourth Proportional to 719,723.49, 1,079,586.53 and 187,243.67

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Solution

The fourth proportional to 719,723.49, 1,079,586.53 and 187,243.67 is: 280,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,723.49 : 1,079,586.53 = 187,243.67 : x
  2. Step 2: Convert to fraction form
    719,723.49/1,079,586.53 = 187,243.67/x
  3. Step 3: Cross multiply
    719,723.49x = 1,079,586.53 × 187,243.67
  4. Step 4: Simplify right side
    719,723.49x = 202,145,737,625.61
  5. Step 5: Solve for x
    x = 202,145,737,625.61/719,723.49
  6. Step 6: Final answer
    x = 280,865.83

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Similar ratio
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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.