Home / 1,083,380.07-1,624,183.39-409,078.74

Finding the Fourth Proportional to 1,083,380.07, 1,624,183.39 and 409,078.74

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Solution

The fourth proportional to 1,083,380.07, 1,624,183.39 and 409,078.74 is: 613,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,380.07 : 1,624,183.39 = 409,078.74 : x
  2. Step 2: Convert to fraction form
    1,083,380.07/1,624,183.39 = 409,078.74/x
  3. Step 3: Cross multiply
    1,083,380.07x = 1,624,183.39 × 409,078.74
  4. Step 4: Simplify right side
    1,083,380.07x = 664,418,894,710.13
  5. Step 5: Solve for x
    x = 664,418,894,710.13/1,083,380.07
  6. Step 6: Final answer
    x = 613,283.29

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1.5x scale

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.