Home / 1,085,812.86-1,628,731.82-327,660.89

Finding the Fourth Proportional to 1,085,812.86, 1,628,731.82 and 327,660.89

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Solution

The fourth proportional to 1,085,812.86, 1,628,731.82 and 327,660.89 is: 491,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,812.86 : 1,628,731.82 = 327,660.89 : x
  2. Step 2: Convert to fraction form
    1,085,812.86/1,628,731.82 = 327,660.89/x
  3. Step 3: Cross multiply
    1,085,812.86x = 1,628,731.82 × 327,660.89
  4. Step 4: Simplify right side
    1,085,812.86x = 533,671,707,930.56
  5. Step 5: Solve for x
    x = 533,671,707,930.56/1,085,812.86
  6. Step 6: Final answer
    x = 491,495.11

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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.