Home / 483,621.40-725,432.10-296,738.20

Finding the Fourth Proportional to 483,621.40, 725,432.10 and 296,738.20

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Solution

The fourth proportional to 483,621.40, 725,432.10 and 296,738.20 is: 445,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,621.40 : 725,432.10 = 296,738.20 : x
  2. Step 2: Convert to fraction form
    483,621.40/725,432.10 = 296,738.20/x
  3. Step 3: Cross multiply
    483,621.40x = 725,432.10 × 296,738.20
  4. Step 4: Simplify right side
    483,621.40x = 215,263,415,576.22
  5. Step 5: Solve for x
    x = 215,263,415,576.22/483,621.40
  6. Step 6: Final answer
    x = 445,107.30

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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.