Home / 1,213,619.37-1,819,892.85-454,928.67

Finding the Fourth Proportional to 1,213,619.37, 1,819,892.85 and 454,928.67

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Solution

The fourth proportional to 1,213,619.37, 1,819,892.85 and 454,928.67 is: 682,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,619.37 : 1,819,892.85 = 454,928.67 : x
  2. Step 2: Convert to fraction form
    1,213,619.37/1,819,892.85 = 454,928.67/x
  3. Step 3: Cross multiply
    1,213,619.37x = 1,819,892.85 × 454,928.67
  4. Step 4: Simplify right side
    1,213,619.37x = 827,921,433,793.01
  5. Step 5: Solve for x
    x = 827,921,433,793.01/1,213,619.37
  6. Step 6: Final answer
    x = 682,192.01

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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.