Home / 1,206,414.35-1,809,869.96-353,513.75

Finding the Fourth Proportional to 1,206,414.35, 1,809,869.96 and 353,513.75

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Solution

The fourth proportional to 1,206,414.35, 1,809,869.96 and 353,513.75 is: 530,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,414.35 : 1,809,869.96 = 353,513.75 : x
  2. Step 2: Convert to fraction form
    1,206,414.35/1,809,869.96 = 353,513.75/x
  3. Step 3: Cross multiply
    1,206,414.35x = 1,809,869.96 × 353,513.75
  4. Step 4: Simplify right side
    1,206,414.35x = 639,813,908,406.39
  5. Step 5: Solve for x
    x = 639,813,908,406.39/1,206,414.35
  6. Step 6: Final answer
    x = 530,343.42

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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.