Home / 484,583.28-668,724.86-269,718.70

Finding the Fourth Proportional to 484,583.28, 668,724.86 and 269,718.70

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Solution

The fourth proportional to 484,583.28, 668,724.86 and 269,718.70 is: 372,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,583.28 : 668,724.86 = 269,718.70 : x
  2. Step 2: Convert to fraction form
    484,583.28/668,724.86 = 269,718.70/x
  3. Step 3: Cross multiply
    484,583.28x = 668,724.86 × 269,718.70
  4. Step 4: Simplify right side
    484,583.28x = 180,367,599,896.88
  5. Step 5: Solve for x
    x = 180,367,599,896.88/484,583.28
  6. Step 6: Final answer
    x = 372,211.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.