Home / 384,930.44-577,358.52-118,619.46

Finding the Fourth Proportional to 384,930.44, 577,358.52 and 118,619.46

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Solution

The fourth proportional to 384,930.44, 577,358.52 and 118,619.46 is: 177,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,930.44 : 577,358.52 = 118,619.46 : x
  2. Step 2: Convert to fraction form
    384,930.44/577,358.52 = 118,619.46/x
  3. Step 3: Cross multiply
    384,930.44x = 577,358.52 × 118,619.46
  4. Step 4: Simplify right side
    384,930.44x = 68,485,955,868.80
  5. Step 5: Solve for x
    x = 68,485,955,868.80/384,930.44
  6. Step 6: Final answer
    x = 177,917.75

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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.