Home / 1,720,675.26-2,581,012.62-819,384.39

Finding the Fourth Proportional to 1,720,675.26, 2,581,012.62 and 819,384.39

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Solution

The fourth proportional to 1,720,675.26, 2,581,012.62 and 819,384.39 is: 1,229,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,675.26 : 2,581,012.62 = 819,384.39 : x
  2. Step 2: Convert to fraction form
    1,720,675.26/2,581,012.62 = 819,384.39/x
  3. Step 3: Cross multiply
    1,720,675.26x = 2,581,012.62 × 819,384.39
  4. Step 4: Simplify right side
    1,720,675.26x = 2,114,841,451,221.00
  5. Step 5: Solve for x
    x = 2,114,841,451,221.00/1,720,675.26
  6. Step 6: Final answer
    x = 1,229,076.46

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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.