Home / 484,601.82-668,636.24-407,371.16

Finding the Fourth Proportional to 484,601.82, 668,636.24 and 407,371.16

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Solution

The fourth proportional to 484,601.82, 668,636.24 and 407,371.16 is: 562,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,601.82 : 668,636.24 = 407,371.16 : x
  2. Step 2: Convert to fraction form
    484,601.82/668,636.24 = 407,371.16/x
  3. Step 3: Cross multiply
    484,601.82x = 668,636.24 × 407,371.16
  4. Step 4: Simplify right side
    484,601.82x = 272,383,120,706.84
  5. Step 5: Solve for x
    x = 272,383,120,706.84/484,601.82
  6. Step 6: Final answer
    x = 562,076.14

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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.