Home / 967,408.80-1,451,113.20-489,111.90

Finding the Fourth Proportional to 967,408.80, 1,451,113.20 and 489,111.90

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Solution

The fourth proportional to 967,408.80, 1,451,113.20 and 489,111.90 is: 733,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,408.80 : 1,451,113.20 = 489,111.90 : x
  2. Step 2: Convert to fraction form
    967,408.80/1,451,113.20 = 489,111.90/x
  3. Step 3: Cross multiply
    967,408.80x = 1,451,113.20 × 489,111.90
  4. Step 4: Simplify right side
    967,408.80x = 709,756,734,367.08
  5. Step 5: Solve for x
    x = 709,756,734,367.08/967,408.80
  6. Step 6: Final answer
    x = 733,667.85

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Double scale
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Similar ratio
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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.