Home / 1,198,627.20-1,798,165.44-399,833.28

Finding the Fourth Proportional to 1,198,627.20, 1,798,165.44 and 399,833.28

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Solution

The fourth proportional to 1,198,627.20, 1,798,165.44 and 399,833.28 is: 599,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,627.20 : 1,798,165.44 = 399,833.28 : x
  2. Step 2: Convert to fraction form
    1,198,627.20/1,798,165.44 = 399,833.28/x
  3. Step 3: Cross multiply
    1,198,627.20x = 1,798,165.44 × 399,833.28
  4. Step 4: Simplify right side
    1,198,627.20x = 718,966,385,857.84
  5. Step 5: Solve for x
    x = 718,966,385,857.84/1,198,627.20
  6. Step 6: Final answer
    x = 599,824.85

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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.