Home / 823,103.07-1,135,926.23-460,505.22

Finding the Fourth Proportional to 823,103.07, 1,135,926.23 and 460,505.22

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Solution

The fourth proportional to 823,103.07, 1,135,926.23 and 460,505.22 is: 635,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,103.07 : 1,135,926.23 = 460,505.22 : x
  2. Step 2: Convert to fraction form
    823,103.07/1,135,926.23 = 460,505.22/x
  3. Step 3: Cross multiply
    823,103.07x = 1,135,926.23 × 460,505.22
  4. Step 4: Simplify right side
    823,103.07x = 523,099,956,147.40
  5. Step 5: Solve for x
    x = 523,099,956,147.40/823,103.07
  6. Step 6: Final answer
    x = 635,521.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.