Home / 283,716.24-391,555.98-211,971.72

Finding the Fourth Proportional to 283,716.24, 391,555.98 and 211,971.72

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Solution

The fourth proportional to 283,716.24, 391,555.98 and 211,971.72 is: 292,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,716.24 : 391,555.98 = 211,971.72 : x
  2. Step 2: Convert to fraction form
    283,716.24/391,555.98 = 211,971.72/x
  3. Step 3: Cross multiply
    283,716.24x = 391,555.98 × 211,971.72
  4. Step 4: Simplify right side
    283,716.24x = 82,998,794,556.89
  5. Step 5: Solve for x
    x = 82,998,794,556.89/283,716.24
  6. Step 6: Final answer
    x = 292,541.57

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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.