Home / 828,189.08-1,241,016.47-557,314.09

Finding the Fourth Proportional to 828,189.08, 1,241,016.47 and 557,314.09

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Solution

The fourth proportional to 828,189.08, 1,241,016.47 and 557,314.09 is: 835,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,189.08 : 1,241,016.47 = 557,314.09 : x
  2. Step 2: Convert to fraction form
    828,189.08/1,241,016.47 = 557,314.09/x
  3. Step 3: Cross multiply
    828,189.08x = 1,241,016.47 × 557,314.09
  4. Step 4: Simplify right side
    828,189.08x = 691,635,958,447.98
  5. Step 5: Solve for x
    x = 691,635,958,447.98/828,189.08
  6. Step 6: Final answer
    x = 835,118.42

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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.