Home / 1,247,576.78-1,871,433.23-394,584.72

Finding the Fourth Proportional to 1,247,576.78, 1,871,433.23 and 394,584.72

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Solution

The fourth proportional to 1,247,576.78, 1,871,433.23 and 394,584.72 is: 591,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,576.78 : 1,871,433.23 = 394,584.72 : x
  2. Step 2: Convert to fraction form
    1,247,576.78/1,871,433.23 = 394,584.72/x
  3. Step 3: Cross multiply
    1,247,576.78x = 1,871,433.23 × 394,584.72
  4. Step 4: Simplify right side
    1,247,576.78x = 738,438,955,085.32
  5. Step 5: Solve for x
    x = 738,438,955,085.32/1,247,576.78
  6. Step 6: Final answer
    x = 591,898.61

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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.