Home / 967,412.80-1,451,119.20-489,115.90

Finding the Fourth Proportional to 967,412.80, 1,451,119.20 and 489,115.90

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Solution

The fourth proportional to 967,412.80, 1,451,119.20 and 489,115.90 is: 733,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,412.80 : 1,451,119.20 = 489,115.90 : x
  2. Step 2: Convert to fraction form
    967,412.80/1,451,119.20 = 489,115.90/x
  3. Step 3: Cross multiply
    967,412.80x = 1,451,119.20 × 489,115.90
  4. Step 4: Simplify right side
    967,412.80x = 709,765,473,515.28
  5. Step 5: Solve for x
    x = 709,765,473,515.28/967,412.80
  6. Step 6: Final answer
    x = 733,673.85

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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.