Home / 443,977.40-612,670.74-252,974.60

Finding the Fourth Proportional to 443,977.40, 612,670.74 and 252,974.60

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Solution

The fourth proportional to 443,977.40, 612,670.74 and 252,974.60 is: 349,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,977.40 : 612,670.74 = 252,974.60 : x
  2. Step 2: Convert to fraction form
    443,977.40/612,670.74 = 252,974.60/x
  3. Step 3: Cross multiply
    443,977.40x = 612,670.74 × 252,974.60
  4. Step 4: Simplify right side
    443,977.40x = 154,990,135,383.20
  5. Step 5: Solve for x
    x = 154,990,135,383.20/443,977.40
  6. Step 6: Final answer
    x = 349,094.65

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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.