Home / 1,621,150.07-2,431,766.79-768,021.89

Finding the Fourth Proportional to 1,621,150.07, 2,431,766.79 and 768,021.89

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Solution

The fourth proportional to 1,621,150.07, 2,431,766.79 and 768,021.89 is: 1,152,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,150.07 : 2,431,766.79 = 768,021.89 : x
  2. Step 2: Convert to fraction form
    1,621,150.07/2,431,766.79 = 768,021.89/x
  3. Step 3: Cross multiply
    1,621,150.07x = 2,431,766.79 × 768,021.89
  4. Step 4: Simplify right side
    1,621,150.07x = 1,867,650,113,936.20
  5. Step 5: Solve for x
    x = 1,867,650,113,936.20/1,621,150.07
  6. Step 6: Final answer
    x = 1,152,052.58

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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.