Home / 828,200.80-1,243,613.40-605,126.80

Finding the Fourth Proportional to 828,200.80, 1,243,613.40 and 605,126.80

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Solution

The fourth proportional to 828,200.80, 1,243,613.40 and 605,126.80 is: 908,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,200.80 : 1,243,613.40 = 605,126.80 : x
  2. Step 2: Convert to fraction form
    828,200.80/1,243,613.40 = 605,126.80/x
  3. Step 3: Cross multiply
    828,200.80x = 1,243,613.40 × 605,126.80
  4. Step 4: Simplify right side
    828,200.80x = 752,543,797,179.12
  5. Step 5: Solve for x
    x = 752,543,797,179.12/828,200.80
  6. Step 6: Final answer
    x = 908,648.96

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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.