Home / 800,211.62-1,104,693.45-618,513.23

Finding the Fourth Proportional to 800,211.62, 1,104,693.45 and 618,513.23

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Solution

The fourth proportional to 800,211.62, 1,104,693.45 and 618,513.23 is: 853,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,211.62 : 1,104,693.45 = 618,513.23 : x
  2. Step 2: Convert to fraction form
    800,211.62/1,104,693.45 = 618,513.23/x
  3. Step 3: Cross multiply
    800,211.62x = 1,104,693.45 × 618,513.23
  4. Step 4: Simplify right side
    800,211.62x = 683,267,513,919.34
  5. Step 5: Solve for x
    x = 683,267,513,919.34/800,211.62
  6. Step 6: Final answer
    x = 853,858.53

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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.