Home / 1,085,810.60-1,628,728.44-327,658.64

Finding the Fourth Proportional to 1,085,810.60, 1,628,728.44 and 327,658.64

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Solution

The fourth proportional to 1,085,810.60, 1,628,728.44 and 327,658.64 is: 491,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,810.60 : 1,628,728.44 = 327,658.64 : x
  2. Step 2: Convert to fraction form
    1,085,810.60/1,628,728.44 = 327,658.64/x
  3. Step 3: Cross multiply
    1,085,810.60x = 1,628,728.44 × 327,658.64
  4. Step 4: Simplify right side
    1,085,810.60x = 533,666,938,050.44
  5. Step 5: Solve for x
    x = 533,666,938,050.44/1,085,810.60
  6. Step 6: Final answer
    x = 491,491.74

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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.