Home / 2,768,962.35-4,153,410.11-719,441.56

Finding the Fourth Proportional to 2,768,962.35, 4,153,410.11 and 719,441.56

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Solution

The fourth proportional to 2,768,962.35, 4,153,410.11 and 719,441.56 is: 1,079,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,962.35 : 4,153,410.11 = 719,441.56 : x
  2. Step 2: Convert to fraction form
    2,768,962.35/4,153,410.11 = 719,441.56/x
  3. Step 3: Cross multiply
    2,768,962.35x = 4,153,410.11 × 719,441.56
  4. Step 4: Simplify right side
    2,768,962.35x = 2,988,135,840,273.25
  5. Step 5: Solve for x
    x = 2,988,135,840,273.25/2,768,962.35
  6. Step 6: Final answer
    x = 1,079,153.65

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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.