Home / 1,263,172.83-1,891,363.94-962,219.76

Finding the Fourth Proportional to 1,263,172.83, 1,891,363.94 and 962,219.76

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Solution

The fourth proportional to 1,263,172.83, 1,891,363.94 and 962,219.76 is: 1,440,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,172.83 : 1,891,363.94 = 962,219.76 : x
  2. Step 2: Convert to fraction form
    1,263,172.83/1,891,363.94 = 962,219.76/x
  3. Step 3: Cross multiply
    1,263,172.83x = 1,891,363.94 × 962,219.76
  4. Step 4: Simplify right side
    1,263,172.83x = 1,819,907,751,608.36
  5. Step 5: Solve for x
    x = 1,819,907,751,608.36/1,263,172.83
  6. Step 6: Final answer
    x = 1,440,743.27

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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.