Home / 1,263,216.75-1,743,243.65-690,256.92

Finding the Fourth Proportional to 1,263,216.75, 1,743,243.65 and 690,256.92

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Solution

The fourth proportional to 1,263,216.75, 1,743,243.65 and 690,256.92 is: 952,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,216.75 : 1,743,243.65 = 690,256.92 : x
  2. Step 2: Convert to fraction form
    1,263,216.75/1,743,243.65 = 690,256.92/x
  3. Step 3: Cross multiply
    1,263,216.75x = 1,743,243.65 × 690,256.92
  4. Step 4: Simplify right side
    1,263,216.75x = 1,203,285,994,384.20
  5. Step 5: Solve for x
    x = 1,203,285,994,384.20/1,263,216.75
  6. Step 6: Final answer
    x = 952,557.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.