Home / 1,022,021.36-1,410,974.08-678,323.38

Finding the Fourth Proportional to 1,022,021.36, 1,410,974.08 and 678,323.38

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Solution

The fourth proportional to 1,022,021.36, 1,410,974.08 and 678,323.38 is: 936,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,021.36 : 1,410,974.08 = 678,323.38 : x
  2. Step 2: Convert to fraction form
    1,022,021.36/1,410,974.08 = 678,323.38/x
  3. Step 3: Cross multiply
    1,022,021.36x = 1,410,974.08 × 678,323.38
  4. Step 4: Simplify right side
    1,022,021.36x = 957,096,707,037.99
  5. Step 5: Solve for x
    x = 957,096,707,037.99/1,022,021.36
  6. Step 6: Final answer
    x = 936,474.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.