Home / 461,533.44-636,961.28-280,203.52

Finding the Fourth Proportional to 461,533.44, 636,961.28 and 280,203.52

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Solution

The fourth proportional to 461,533.44, 636,961.28 and 280,203.52 is: 386,708.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,533.44 : 636,961.28 = 280,203.52 : x
  2. Step 2: Convert to fraction form
    461,533.44/636,961.28 = 280,203.52/x
  3. Step 3: Cross multiply
    461,533.44x = 636,961.28 × 280,203.52
  4. Step 4: Simplify right side
    461,533.44x = 178,478,792,759.71
  5. Step 5: Solve for x
    x = 178,478,792,759.71/461,533.44
  6. Step 6: Final answer
    x = 386,708.26

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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.