Home / 1,260,601.89-1,890,919.29-419,153.64

Finding the Fourth Proportional to 1,260,601.89, 1,890,919.29 and 419,153.64

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Solution

The fourth proportional to 1,260,601.89, 1,890,919.29 and 419,153.64 is: 628,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,601.89 : 1,890,919.29 = 419,153.64 : x
  2. Step 2: Convert to fraction form
    1,260,601.89/1,890,919.29 = 419,153.64/x
  3. Step 3: Cross multiply
    1,260,601.89x = 1,890,919.29 × 419,153.64
  4. Step 4: Simplify right side
    1,260,601.89x = 792,585,703,349.72
  5. Step 5: Solve for x
    x = 792,585,703,349.72/1,260,601.89
  6. Step 6: Final answer
    x = 628,735.93

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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.