Home / 384,624.89-576,944.75-118,385.12

Finding the Fourth Proportional to 384,624.89, 576,944.75 and 118,385.12

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Solution

The fourth proportional to 384,624.89, 576,944.75 and 118,385.12 is: 177,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,624.89 : 576,944.75 = 118,385.12 : x
  2. Step 2: Convert to fraction form
    384,624.89/576,944.75 = 118,385.12/x
  3. Step 3: Cross multiply
    384,624.89x = 576,944.75 × 118,385.12
  4. Step 4: Simplify right side
    384,624.89x = 68,301,675,200.44
  5. Step 5: Solve for x
    x = 68,301,675,200.44/384,624.89
  6. Step 6: Final answer
    x = 177,579.97

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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.