Home / 941,771.70-1,412,657.55-380,517.30

Finding the Fourth Proportional to 941,771.70, 1,412,657.55 and 380,517.30

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Solution

The fourth proportional to 941,771.70, 1,412,657.55 and 380,517.30 is: 570,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,771.70 : 1,412,657.55 = 380,517.30 : x
  2. Step 2: Convert to fraction form
    941,771.70/1,412,657.55 = 380,517.30/x
  3. Step 3: Cross multiply
    941,771.70x = 1,412,657.55 × 380,517.30
  4. Step 4: Simplify right side
    941,771.70x = 537,540,636,750.62
  5. Step 5: Solve for x
    x = 537,540,636,750.62/941,771.70
  6. Step 6: Final answer
    x = 570,775.95

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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.