Home / 325,811.17-490,936.48-267,943.15

Finding the Fourth Proportional to 325,811.17, 490,936.48 and 267,943.15

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Solution

The fourth proportional to 325,811.17, 490,936.48 and 267,943.15 is: 403,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,811.17 : 490,936.48 = 267,943.15 : x
  2. Step 2: Convert to fraction form
    325,811.17/490,936.48 = 267,943.15/x
  3. Step 3: Cross multiply
    325,811.17x = 490,936.48 × 267,943.15
  4. Step 4: Simplify right side
    325,811.17x = 131,543,066,901.11
  5. Step 5: Solve for x
    x = 131,543,066,901.11/325,811.17
  6. Step 6: Final answer
    x = 403,740.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.