Home / 1,819,611.08-2,728,949.38-539,915.88

Finding the Fourth Proportional to 1,819,611.08, 2,728,949.38 and 539,915.88

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Solution

The fourth proportional to 1,819,611.08, 2,728,949.38 and 539,915.88 is: 809,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,611.08 : 2,728,949.38 = 539,915.88 : x
  2. Step 2: Convert to fraction form
    1,819,611.08/2,728,949.38 = 539,915.88/x
  3. Step 3: Cross multiply
    1,819,611.08x = 2,728,949.38 × 539,915.88
  4. Step 4: Simplify right side
    1,819,611.08x = 1,473,403,102,548.61
  5. Step 5: Solve for x
    x = 1,473,403,102,548.61/1,819,611.08
  6. Step 6: Final answer
    x = 809,735.18

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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.