Home / 1,660,805.60-2,491,208.40-538,874.60

Finding the Fourth Proportional to 1,660,805.60, 2,491,208.40 and 538,874.60

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Solution

The fourth proportional to 1,660,805.60, 2,491,208.40 and 538,874.60 is: 808,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,805.60 : 2,491,208.40 = 538,874.60 : x
  2. Step 2: Convert to fraction form
    1,660,805.60/2,491,208.40 = 538,874.60/x
  3. Step 3: Cross multiply
    1,660,805.60x = 2,491,208.40 × 538,874.60
  4. Step 4: Simplify right side
    1,660,805.60x = 1,342,448,930,066.64
  5. Step 5: Solve for x
    x = 1,342,448,930,066.64/1,660,805.60
  6. Step 6: Final answer
    x = 808,311.90

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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.