Home / 800,209.62-1,104,690.69-618,511.23

Finding the Fourth Proportional to 800,209.62, 1,104,690.69 and 618,511.23

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Solution

The fourth proportional to 800,209.62, 1,104,690.69 and 618,511.23 is: 853,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,209.62 : 1,104,690.69 = 618,511.23 : x
  2. Step 2: Convert to fraction form
    800,209.62/1,104,690.69 = 618,511.23/x
  3. Step 3: Cross multiply
    800,209.62x = 1,104,690.69 × 618,511.23
  4. Step 4: Simplify right side
    800,209.62x = 683,263,597,441.45
  5. Step 5: Solve for x
    x = 683,263,597,441.45/800,209.62
  6. Step 6: Final answer
    x = 853,855.77

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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.