Home / 1,085,813.42-1,628,732.67-327,661.46

Finding the Fourth Proportional to 1,085,813.42, 1,628,732.67 and 327,661.46

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Solution

The fourth proportional to 1,085,813.42, 1,628,732.67 and 327,661.46 is: 491,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,813.42 : 1,628,732.67 = 327,661.46 : x
  2. Step 2: Convert to fraction form
    1,085,813.42/1,628,732.67 = 327,661.46/x
  3. Step 3: Cross multiply
    1,085,813.42x = 1,628,732.67 × 327,661.46
  4. Step 4: Simplify right side
    1,085,813.42x = 533,672,916,458.24
  5. Step 5: Solve for x
    x = 533,672,916,458.24/1,085,813.42
  6. Step 6: Final answer
    x = 491,495.97

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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.