Home / 1,199,536.27-1,799,619.45-431,111.53

Finding the Fourth Proportional to 1,199,536.27, 1,799,619.45 and 431,111.53

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Solution

The fourth proportional to 1,199,536.27, 1,799,619.45 and 431,111.53 is: 646,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,536.27 : 1,799,619.45 = 431,111.53 : x
  2. Step 2: Convert to fraction form
    1,199,536.27/1,799,619.45 = 431,111.53/x
  3. Step 3: Cross multiply
    1,199,536.27x = 1,799,619.45 × 431,111.53
  4. Step 4: Simplify right side
    1,199,536.27x = 775,836,694,507.26
  5. Step 5: Solve for x
    x = 775,836,694,507.26/1,199,536.27
  6. Step 6: Final answer
    x = 646,780.52

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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.