Home / 936,011.20-1,404,016.80-768,049.60

Finding the Fourth Proportional to 936,011.20, 1,404,016.80 and 768,049.60

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Solution

The fourth proportional to 936,011.20, 1,404,016.80 and 768,049.60 is: 1,152,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,011.20 : 1,404,016.80 = 768,049.60 : x
  2. Step 2: Convert to fraction form
    936,011.20/1,404,016.80 = 768,049.60/x
  3. Step 3: Cross multiply
    936,011.20x = 1,404,016.80 × 768,049.60
  4. Step 4: Simplify right side
    936,011.20x = 1,078,354,541,633.28
  5. Step 5: Solve for x
    x = 1,078,354,541,633.28/936,011.20
  6. Step 6: Final answer
    x = 1,152,074.40

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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.