Home / 1,085,342.58-1,628,021.16-327,186.23

Finding the Fourth Proportional to 1,085,342.58, 1,628,021.16 and 327,186.23

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Solution

The fourth proportional to 1,085,342.58, 1,628,021.16 and 327,186.23 is: 490,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,342.58 : 1,628,021.16 = 327,186.23 : x
  2. Step 2: Convert to fraction form
    1,085,342.58/1,628,021.16 = 327,186.23/x
  3. Step 3: Cross multiply
    1,085,342.58x = 1,628,021.16 × 327,186.23
  4. Step 4: Simplify right side
    1,085,342.58x = 532,666,097,560.52
  5. Step 5: Solve for x
    x = 532,666,097,560.52/1,085,342.58
  6. Step 6: Final answer
    x = 490,781.54

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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.