Home / 1,247,452.56-1,871,409.69-394,738.56

Finding the Fourth Proportional to 1,247,452.56, 1,871,409.69 and 394,738.56

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Solution

The fourth proportional to 1,247,452.56, 1,871,409.69 and 394,738.56 is: 592,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,452.56 : 1,871,409.69 = 394,738.56 : x
  2. Step 2: Convert to fraction form
    1,247,452.56/1,871,409.69 = 394,738.56/x
  3. Step 3: Cross multiply
    1,247,452.56x = 1,871,409.69 × 394,738.56
  4. Step 4: Simplify right side
    1,247,452.56x = 738,717,566,200.65
  5. Step 5: Solve for x
    x = 738,717,566,200.65/1,247,452.56
  6. Step 6: Final answer
    x = 592,180.89

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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.