Home / 621,851.85-933,008.18-248,143.05

Finding the Fourth Proportional to 621,851.85, 933,008.18 and 248,143.05

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Solution

The fourth proportional to 621,851.85, 933,008.18 and 248,143.05 is: 372,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,851.85 : 933,008.18 = 248,143.05 : x
  2. Step 2: Convert to fraction form
    621,851.85/933,008.18 = 248,143.05/x
  3. Step 3: Cross multiply
    621,851.85x = 933,008.18 × 248,143.05
  4. Step 4: Simplify right side
    621,851.85x = 231,519,494,219.43
  5. Step 5: Solve for x
    x = 231,519,494,219.43/621,851.85
  6. Step 6: Final answer
    x = 372,306.51

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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.