Home / 886,864.40-1,330,296.60-512,694.80

Finding the Fourth Proportional to 886,864.40, 1,330,296.60 and 512,694.80

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Solution

The fourth proportional to 886,864.40, 1,330,296.60 and 512,694.80 is: 769,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,864.40 : 1,330,296.60 = 512,694.80 : x
  2. Step 2: Convert to fraction form
    886,864.40/1,330,296.60 = 512,694.80/x
  3. Step 3: Cross multiply
    886,864.40x = 1,330,296.60 × 512,694.80
  4. Step 4: Simplify right side
    886,864.40x = 682,036,149,277.68
  5. Step 5: Solve for x
    x = 682,036,149,277.68/886,864.40
  6. Step 6: Final answer
    x = 769,042.20

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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.