Home / 891,350.82-1,336,542.37-404,765.80

Finding the Fourth Proportional to 891,350.82, 1,336,542.37 and 404,765.80

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Solution

The fourth proportional to 891,350.82, 1,336,542.37 and 404,765.80 is: 606,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,350.82 : 1,336,542.37 = 404,765.80 : x
  2. Step 2: Convert to fraction form
    891,350.82/1,336,542.37 = 404,765.80/x
  3. Step 3: Cross multiply
    891,350.82x = 1,336,542.37 × 404,765.80
  4. Step 4: Simplify right side
    891,350.82x = 540,986,641,626.95
  5. Step 5: Solve for x
    x = 540,986,641,626.95/891,350.82
  6. Step 6: Final answer
    x = 606,928.98

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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.