Home / 741,831.62-1,112,934.54-342,754.55

Finding the Fourth Proportional to 741,831.62, 1,112,934.54 and 342,754.55

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Solution

The fourth proportional to 741,831.62, 1,112,934.54 and 342,754.55 is: 514,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,831.62 : 1,112,934.54 = 342,754.55 : x
  2. Step 2: Convert to fraction form
    741,831.62/1,112,934.54 = 342,754.55/x
  3. Step 3: Cross multiply
    741,831.62x = 1,112,934.54 × 342,754.55
  4. Step 4: Simplify right side
    741,831.62x = 381,463,371,872.48
  5. Step 5: Solve for x
    x = 381,463,371,872.48/741,831.62
  6. Step 6: Final answer
    x = 514,218.27

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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.