Home / 1,213,618.37-1,819,891.35-454,927.67

Finding the Fourth Proportional to 1,213,618.37, 1,819,891.35 and 454,927.67

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Solution

The fourth proportional to 1,213,618.37, 1,819,891.35 and 454,927.67 is: 682,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,618.37 : 1,819,891.35 = 454,927.67 : x
  2. Step 2: Convert to fraction form
    1,213,618.37/1,819,891.35 = 454,927.67/x
  3. Step 3: Cross multiply
    1,213,618.37x = 1,819,891.35 × 454,927.67
  4. Step 4: Simplify right side
    1,213,618.37x = 827,918,929,233.79
  5. Step 5: Solve for x
    x = 827,918,929,233.79/1,213,618.37
  6. Step 6: Final answer
    x = 682,190.51

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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.