Home / 1,085,810.54-1,628,728.35-327,658.57

Finding the Fourth Proportional to 1,085,810.54, 1,628,728.35 and 327,658.57

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Solution

The fourth proportional to 1,085,810.54, 1,628,728.35 and 327,658.57 is: 491,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,810.54 : 1,628,728.35 = 327,658.57 : x
  2. Step 2: Convert to fraction form
    1,085,810.54/1,628,728.35 = 327,658.57/x
  3. Step 3: Cross multiply
    1,085,810.54x = 1,628,728.35 × 327,658.57
  4. Step 4: Simplify right side
    1,085,810.54x = 533,666,800,441.17
  5. Step 5: Solve for x
    x = 533,666,800,441.17/1,085,810.54
  6. Step 6: Final answer
    x = 491,491.64

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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.