Home / 1,365,542.20-2,047,659-645,284.44

Finding the Fourth Proportional to 1,365,542.20, 2,047,659 and 645,284.44

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Solution

The fourth proportional to 1,365,542.20, 2,047,659 and 645,284.44 is: 967,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,542.20 : 2,047,659 = 645,284.44 : x
  2. Step 2: Convert to fraction form
    1,365,542.20/2,047,659 = 645,284.44/x
  3. Step 3: Cross multiply
    1,365,542.20x = 2,047,659 × 645,284.44
  4. Step 4: Simplify right side
    1,365,542.20x = 1,321,322,491,125.96
  5. Step 5: Solve for x
    x = 1,321,322,491,125.96/1,365,542.20
  6. Step 6: Final answer
    x = 967,617.47

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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.