Home / 1,289,219.56-1,933,282.59-614,520.34

Finding the Fourth Proportional to 1,289,219.56, 1,933,282.59 and 614,520.34

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Solution

The fourth proportional to 1,289,219.56, 1,933,282.59 and 614,520.34 is: 921,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,219.56 : 1,933,282.59 = 614,520.34 : x
  2. Step 2: Convert to fraction form
    1,289,219.56/1,933,282.59 = 614,520.34/x
  3. Step 3: Cross multiply
    1,289,219.56x = 1,933,282.59 × 614,520.34
  4. Step 4: Simplify right side
    1,289,219.56x = 1,188,041,474,522.88
  5. Step 5: Solve for x
    x = 1,188,041,474,522.88/1,289,219.56
  6. Step 6: Final answer
    x = 921,519.90

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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.