Home / 851,907.60-1,277,861.40-252,961.20

Finding the Fourth Proportional to 851,907.60, 1,277,861.40 and 252,961.20

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Solution

The fourth proportional to 851,907.60, 1,277,861.40 and 252,961.20 is: 379,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,907.60 : 1,277,861.40 = 252,961.20 : x
  2. Step 2: Convert to fraction form
    851,907.60/1,277,861.40 = 252,961.20/x
  3. Step 3: Cross multiply
    851,907.60x = 1,277,861.40 × 252,961.20
  4. Step 4: Simplify right side
    851,907.60x = 323,249,353,177.68
  5. Step 5: Solve for x
    x = 323,249,353,177.68/851,907.60
  6. Step 6: Final answer
    x = 379,441.80

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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.