Home / 828,198.80-1,241,642.10-454,221.80

Finding the Fourth Proportional to 828,198.80, 1,241,642.10 and 454,221.80

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Solution

The fourth proportional to 828,198.80, 1,241,642.10 and 454,221.80 is: 680,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,198.80 : 1,241,642.10 = 454,221.80 : x
  2. Step 2: Convert to fraction form
    828,198.80/1,241,642.10 = 454,221.80/x
  3. Step 3: Cross multiply
    828,198.80x = 1,241,642.10 × 454,221.80
  4. Step 4: Simplify right side
    828,198.80x = 563,980,909,617.78
  5. Step 5: Solve for x
    x = 563,980,909,617.78/828,198.80
  6. Step 6: Final answer
    x = 680,972.86

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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.