Home / 824,496.40-1,236,744.60-682,778.80

Finding the Fourth Proportional to 824,496.40, 1,236,744.60 and 682,778.80

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Solution

The fourth proportional to 824,496.40, 1,236,744.60 and 682,778.80 is: 1,024,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,496.40 : 1,236,744.60 = 682,778.80 : x
  2. Step 2: Convert to fraction form
    824,496.40/1,236,744.60 = 682,778.80/x
  3. Step 3: Cross multiply
    824,496.40x = 1,236,744.60 × 682,778.80
  4. Step 4: Simplify right side
    824,496.40x = 844,422,993,894.48
  5. Step 5: Solve for x
    x = 844,422,993,894.48/824,496.40
  6. Step 6: Final answer
    x = 1,024,168.20

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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.