Home / 1,330,688.70-1,993,736.70-619,257.60

Finding the Fourth Proportional to 1,330,688.70, 1,993,736.70 and 619,257.60

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Solution

The fourth proportional to 1,330,688.70, 1,993,736.70 and 619,257.60 is: 927,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,688.70 : 1,993,736.70 = 619,257.60 : x
  2. Step 2: Convert to fraction form
    1,330,688.70/1,993,736.70 = 619,257.60/x
  3. Step 3: Cross multiply
    1,330,688.70x = 1,993,736.70 × 619,257.60
  4. Step 4: Simplify right side
    1,330,688.70x = 1,234,636,603,873.92
  5. Step 5: Solve for x
    x = 1,234,636,603,873.92/1,330,688.70
  6. Step 6: Final answer
    x = 927,817.76

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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.