Home / 1,330,574.55-1,995,861.83-825,705.60

Finding the Fourth Proportional to 1,330,574.55, 1,995,861.83 and 825,705.60

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Solution

The fourth proportional to 1,330,574.55, 1,995,861.83 and 825,705.60 is: 1,238,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,574.55 : 1,995,861.83 = 825,705.60 : x
  2. Step 2: Convert to fraction form
    1,330,574.55/1,995,861.83 = 825,705.60/x
  3. Step 3: Cross multiply
    1,330,574.55x = 1,995,861.83 × 825,705.60
  4. Step 4: Simplify right side
    1,330,574.55x = 1,647,994,285,728.72
  5. Step 5: Solve for x
    x = 1,647,994,285,728.72/1,330,574.55
  6. Step 6: Final answer
    x = 1,238,558.40

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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.