Home / 764,190.48-1,054,589.04-477,876.56

Finding the Fourth Proportional to 764,190.48, 1,054,589.04 and 477,876.56

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Solution

The fourth proportional to 764,190.48, 1,054,589.04 and 477,876.56 is: 659,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,190.48 : 1,054,589.04 = 477,876.56 : x
  2. Step 2: Convert to fraction form
    764,190.48/1,054,589.04 = 477,876.56/x
  3. Step 3: Cross multiply
    764,190.48x = 1,054,589.04 × 477,876.56
  4. Step 4: Simplify right side
    764,190.48x = 503,963,382,648.90
  5. Step 5: Solve for x
    x = 503,963,382,648.90/764,190.48
  6. Step 6: Final answer
    x = 659,473.52

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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.