Home / 822,587.27-1,233,422.43-253,806.89

Finding the Fourth Proportional to 822,587.27, 1,233,422.43 and 253,806.89

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Solution

The fourth proportional to 822,587.27, 1,233,422.43 and 253,806.89 is: 380,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,587.27 : 1,233,422.43 = 253,806.89 : x
  2. Step 2: Convert to fraction form
    822,587.27/1,233,422.43 = 253,806.89/x
  3. Step 3: Cross multiply
    822,587.27x = 1,233,422.43 × 253,806.89
  4. Step 4: Simplify right side
    822,587.27x = 313,051,104,847.43
  5. Step 5: Solve for x
    x = 313,051,104,847.43/822,587.27
  6. Step 6: Final answer
    x = 380,568.87

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Double scale
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Similar ratio
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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.