Home / 3,160,871.75-4,741,319.93-764,712.54

Finding the Fourth Proportional to 3,160,871.75, 4,741,319.93 and 764,712.54

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Solution

The fourth proportional to 3,160,871.75, 4,741,319.93 and 764,712.54 is: 1,147,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,871.75 : 4,741,319.93 = 764,712.54 : x
  2. Step 2: Convert to fraction form
    3,160,871.75/4,741,319.93 = 764,712.54/x
  3. Step 3: Cross multiply
    3,160,871.75x = 4,741,319.93 × 764,712.54
  4. Step 4: Simplify right side
    3,160,871.75x = 3,625,746,802,799.36
  5. Step 5: Solve for x
    x = 3,625,746,802,799.36/3,160,871.75
  6. Step 6: Final answer
    x = 1,147,071.79

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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.