Home / 1,621,517.55-2,433,959.28-939,736.47

Finding the Fourth Proportional to 1,621,517.55, 2,433,959.28 and 939,736.47

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Solution

The fourth proportional to 1,621,517.55, 2,433,959.28 and 939,736.47 is: 1,410,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,517.55 : 2,433,959.28 = 939,736.47 : x
  2. Step 2: Convert to fraction form
    1,621,517.55/2,433,959.28 = 939,736.47/x
  3. Step 3: Cross multiply
    1,621,517.55x = 2,433,959.28 × 939,736.47
  4. Step 4: Simplify right side
    1,621,517.55x = 2,287,280,301,910.94
  5. Step 5: Solve for x
    x = 2,287,280,301,910.94/1,621,517.55
  6. Step 6: Final answer
    x = 1,410,580.05

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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.