Home / 492,585.22-738,885.12-325,177.66

Finding the Fourth Proportional to 492,585.22, 738,885.12 and 325,177.66

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Solution

The fourth proportional to 492,585.22, 738,885.12 and 325,177.66 is: 487,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,585.22 : 738,885.12 = 325,177.66 : x
  2. Step 2: Convert to fraction form
    492,585.22/738,885.12 = 325,177.66/x
  3. Step 3: Cross multiply
    492,585.22x = 738,885.12 × 325,177.66
  4. Step 4: Simplify right side
    492,585.22x = 240,268,930,635.99
  5. Step 5: Solve for x
    x = 240,268,930,635.99/492,585.22
  6. Step 6: Final answer
    x = 487,771.30

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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.