Home / 691,676.82-1,037,982.60-242,402.22

Finding the Fourth Proportional to 691,676.82, 1,037,982.60 and 242,402.22

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Solution

The fourth proportional to 691,676.82, 1,037,982.60 and 242,402.22 is: 363,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,676.82 : 1,037,982.60 = 242,402.22 : x
  2. Step 2: Convert to fraction form
    691,676.82/1,037,982.60 = 242,402.22/x
  3. Step 3: Cross multiply
    691,676.82x = 1,037,982.60 × 242,402.22
  4. Step 4: Simplify right side
    691,676.82x = 251,609,286,561.37
  5. Step 5: Solve for x
    x = 251,609,286,561.37/691,676.82
  6. Step 6: Final answer
    x = 363,767.12

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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.