Home / 810,173.70-1,118,062.26-447,620.94

Finding the Fourth Proportional to 810,173.70, 1,118,062.26 and 447,620.94

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Solution

The fourth proportional to 810,173.70, 1,118,062.26 and 447,620.94 is: 617,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,173.70 : 1,118,062.26 = 447,620.94 : x
  2. Step 2: Convert to fraction form
    810,173.70/1,118,062.26 = 447,620.94/x
  3. Step 3: Cross multiply
    810,173.70x = 1,118,062.26 × 447,620.94
  4. Step 4: Simplify right side
    810,173.70x = 500,468,079,799.72
  5. Step 5: Solve for x
    x = 500,468,079,799.72/810,173.70
  6. Step 6: Final answer
    x = 617,729.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.