Home / 850,629.66-1,173,895.52-488,119.83

Finding the Fourth Proportional to 850,629.66, 1,173,895.52 and 488,119.83

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Solution

The fourth proportional to 850,629.66, 1,173,895.52 and 488,119.83 is: 673,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,629.66 : 1,173,895.52 = 488,119.83 : x
  2. Step 2: Convert to fraction form
    850,629.66/1,173,895.52 = 488,119.83/x
  3. Step 3: Cross multiply
    850,629.66x = 1,173,895.52 × 488,119.83
  4. Step 4: Simplify right side
    850,629.66x = 573,001,679,219.56
  5. Step 5: Solve for x
    x = 573,001,679,219.56/850,629.66
  6. Step 6: Final answer
    x = 673,620.62

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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.