Home / 549,093.40-823,251.30-212,003.80

Finding the Fourth Proportional to 549,093.40, 823,251.30 and 212,003.80

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Solution

The fourth proportional to 549,093.40, 823,251.30 and 212,003.80 is: 317,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,093.40 : 823,251.30 = 212,003.80 : x
  2. Step 2: Convert to fraction form
    549,093.40/823,251.30 = 212,003.80/x
  3. Step 3: Cross multiply
    549,093.40x = 823,251.30 × 212,003.80
  4. Step 4: Simplify right side
    549,093.40x = 174,532,403,954.94
  5. Step 5: Solve for x
    x = 174,532,403,954.94/549,093.40
  6. Step 6: Final answer
    x = 317,855.59

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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.