Home / 1,228,641.36-1,840,570.88-694,546.80

Finding the Fourth Proportional to 1,228,641.36, 1,840,570.88 and 694,546.80

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Solution

The fourth proportional to 1,228,641.36, 1,840,570.88 and 694,546.80 is: 1,040,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,641.36 : 1,840,570.88 = 694,546.80 : x
  2. Step 2: Convert to fraction form
    1,228,641.36/1,840,570.88 = 694,546.80/x
  3. Step 3: Cross multiply
    1,228,641.36x = 1,840,570.88 × 694,546.80
  4. Step 4: Simplify right side
    1,228,641.36x = 1,278,362,614,877.18
  5. Step 5: Solve for x
    x = 1,278,362,614,877.18/1,228,641.36
  6. Step 6: Final answer
    x = 1,040,468.49

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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.