Home / 1,199,528.61-1,799,608.38-431,103.96

Finding the Fourth Proportional to 1,199,528.61, 1,799,608.38 and 431,103.96

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Solution

The fourth proportional to 1,199,528.61, 1,799,608.38 and 431,103.96 is: 646,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,528.61 : 1,799,608.38 = 431,103.96 : x
  2. Step 2: Convert to fraction form
    1,199,528.61/1,799,608.38 = 431,103.96/x
  3. Step 3: Cross multiply
    1,199,528.61x = 1,799,608.38 × 431,103.96
  4. Step 4: Simplify right side
    1,199,528.61x = 775,818,299,067.19
  5. Step 5: Solve for x
    x = 775,818,299,067.19/1,199,528.61
  6. Step 6: Final answer
    x = 646,769.32

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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.