Home / 1,395,840.60-2,093,771.37-764,409.96

Finding the Fourth Proportional to 1,395,840.60, 2,093,771.37 and 764,409.96

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Solution

The fourth proportional to 1,395,840.60, 2,093,771.37 and 764,409.96 is: 1,146,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,840.60 : 2,093,771.37 = 764,409.96 : x
  2. Step 2: Convert to fraction form
    1,395,840.60/2,093,771.37 = 764,409.96/x
  3. Step 3: Cross multiply
    1,395,840.60x = 2,093,771.37 × 764,409.96
  4. Step 4: Simplify right side
    1,395,840.60x = 1,600,499,689,190.85
  5. Step 5: Solve for x
    x = 1,600,499,689,190.85/1,395,840.60
  6. Step 6: Final answer
    x = 1,146,620.67

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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.