Home / 1,085,611.56-1,627,979.76-327,218.28

Finding the Fourth Proportional to 1,085,611.56, 1,627,979.76 and 327,218.28

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Solution

The fourth proportional to 1,085,611.56, 1,627,979.76 and 327,218.28 is: 490,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,611.56 : 1,627,979.76 = 327,218.28 : x
  2. Step 2: Convert to fraction form
    1,085,611.56/1,627,979.76 = 327,218.28/x
  3. Step 3: Cross multiply
    1,085,611.56x = 1,627,979.76 × 327,218.28
  4. Step 4: Simplify right side
    1,085,611.56x = 532,704,736,942.01
  5. Step 5: Solve for x
    x = 532,704,736,942.01/1,085,611.56
  6. Step 6: Final answer
    x = 490,695.53

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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.