Home / 1,768,913.94-2,653,993.53-870,986.42

Finding the Fourth Proportional to 1,768,913.94, 2,653,993.53 and 870,986.42

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Solution

The fourth proportional to 1,768,913.94, 2,653,993.53 and 870,986.42 is: 1,306,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,913.94 : 2,653,993.53 = 870,986.42 : x
  2. Step 2: Convert to fraction form
    1,768,913.94/2,653,993.53 = 870,986.42/x
  3. Step 3: Cross multiply
    1,768,913.94x = 2,653,993.53 × 870,986.42
  4. Step 4: Simplify right side
    1,768,913.94x = 2,311,592,317,630.72
  5. Step 5: Solve for x
    x = 2,311,592,317,630.72/1,768,913.94
  6. Step 6: Final answer
    x = 1,306,786.19

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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.