Home / 826,522.75-1,239,784.17-327,886.75

Finding the Fourth Proportional to 826,522.75, 1,239,784.17 and 327,886.75

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Solution

The fourth proportional to 826,522.75, 1,239,784.17 and 327,886.75 is: 491,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,522.75 : 1,239,784.17 = 327,886.75 : x
  2. Step 2: Convert to fraction form
    826,522.75/1,239,784.17 = 327,886.75/x
  3. Step 3: Cross multiply
    826,522.75x = 1,239,784.17 × 327,886.75
  4. Step 4: Simplify right side
    826,522.75x = 406,508,802,202.75
  5. Step 5: Solve for x
    x = 406,508,802,202.75/826,522.75
  6. Step 6: Final answer
    x = 491,830.14

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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.