Home / 741,454.82-1,111,411.68-315,264.14

Finding the Fourth Proportional to 741,454.82, 1,111,411.68 and 315,264.14

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Solution

The fourth proportional to 741,454.82, 1,111,411.68 and 315,264.14 is: 472,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,454.82 : 1,111,411.68 = 315,264.14 : x
  2. Step 2: Convert to fraction form
    741,454.82/1,111,411.68 = 315,264.14/x
  3. Step 3: Cross multiply
    741,454.82x = 1,111,411.68 × 315,264.14
  4. Step 4: Simplify right side
    741,454.82x = 350,388,247,481.16
  5. Step 5: Solve for x
    x = 350,388,247,481.16/741,454.82
  6. Step 6: Final answer
    x = 472,568.57

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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.