Home / 828,189.20-1,241,016.66-557,314.21

Finding the Fourth Proportional to 828,189.20, 1,241,016.66 and 557,314.21

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Solution

The fourth proportional to 828,189.20, 1,241,016.66 and 557,314.21 is: 835,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,189.20 : 1,241,016.66 = 557,314.21 : x
  2. Step 2: Convert to fraction form
    828,189.20/1,241,016.66 = 557,314.21/x
  3. Step 3: Cross multiply
    828,189.20x = 1,241,016.66 × 557,314.21
  4. Step 4: Simplify right side
    828,189.20x = 691,636,221,016.01
  5. Step 5: Solve for x
    x = 691,636,221,016.01/828,189.20
  6. Step 6: Final answer
    x = 835,118.62

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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.