Home / 1,660,915.20-2,491,372.80-539,097.60

Finding the Fourth Proportional to 1,660,915.20, 2,491,372.80 and 539,097.60

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Solution

The fourth proportional to 1,660,915.20, 2,491,372.80 and 539,097.60 is: 808,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,915.20 : 2,491,372.80 = 539,097.60 : x
  2. Step 2: Convert to fraction form
    1,660,915.20/2,491,372.80 = 539,097.60/x
  3. Step 3: Cross multiply
    1,660,915.20x = 2,491,372.80 × 539,097.60
  4. Step 4: Simplify right side
    1,660,915.20x = 1,343,093,097,185.28
  5. Step 5: Solve for x
    x = 1,343,093,097,185.28/1,660,915.20
  6. Step 6: Final answer
    x = 808,646.40

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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.