Home / 858,793.30-1,288,189.95-605,538.70

Finding the Fourth Proportional to 858,793.30, 1,288,189.95 and 605,538.70

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Solution

The fourth proportional to 858,793.30, 1,288,189.95 and 605,538.70 is: 908,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,793.30 : 1,288,189.95 = 605,538.70 : x
  2. Step 2: Convert to fraction form
    858,793.30/1,288,189.95 = 605,538.70/x
  3. Step 3: Cross multiply
    858,793.30x = 1,288,189.95 × 605,538.70
  4. Step 4: Simplify right side
    858,793.30x = 780,048,867,676.07
  5. Step 5: Solve for x
    x = 780,048,867,676.07/858,793.30
  6. Step 6: Final answer
    x = 908,308.05

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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.