Home / 1,198,700.64-1,797,449.04-399,699.36

Finding the Fourth Proportional to 1,198,700.64, 1,797,449.04 and 399,699.36

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Solution

The fourth proportional to 1,198,700.64, 1,797,449.04 and 399,699.36 is: 599,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,700.64 : 1,797,449.04 = 399,699.36 : x
  2. Step 2: Convert to fraction form
    1,198,700.64/1,797,449.04 = 399,699.36/x
  3. Step 3: Cross multiply
    1,198,700.64x = 1,797,449.04 × 399,699.36
  4. Step 4: Simplify right side
    1,198,700.64x = 718,439,230,920.61
  5. Step 5: Solve for x
    x = 718,439,230,920.61/1,198,700.64
  6. Step 6: Final answer
    x = 599,348.33

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1.5x scale

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.