Home / 826,544.34-1,239,816.51-327,908.34

Finding the Fourth Proportional to 826,544.34, 1,239,816.51 and 327,908.34

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Solution

The fourth proportional to 826,544.34, 1,239,816.51 and 327,908.34 is: 491,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,544.34 : 1,239,816.51 = 327,908.34 : x
  2. Step 2: Convert to fraction form
    826,544.34/1,239,816.51 = 327,908.34/x
  3. Step 3: Cross multiply
    826,544.34x = 1,239,816.51 × 327,908.34
  4. Step 4: Simplify right side
    826,544.34x = 406,546,173,698.69
  5. Step 5: Solve for x
    x = 406,546,173,698.69/826,544.34
  6. Step 6: Final answer
    x = 491,862.51

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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.