Home / 1,424,601.93-1,965,943.49-780,010.41

Finding the Fourth Proportional to 1,424,601.93, 1,965,943.49 and 780,010.41

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Solution

The fourth proportional to 1,424,601.93, 1,965,943.49 and 780,010.41 is: 1,076,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,601.93 : 1,965,943.49 = 780,010.41 : x
  2. Step 2: Convert to fraction form
    1,424,601.93/1,965,943.49 = 780,010.41/x
  3. Step 3: Cross multiply
    1,424,601.93x = 1,965,943.49 × 780,010.41
  4. Step 4: Simplify right side
    1,424,601.93x = 1,533,456,383,771.68
  5. Step 5: Solve for x
    x = 1,533,456,383,771.68/1,424,601.93
  6. Step 6: Final answer
    x = 1,076,410.44

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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.