Home / 809,455.44-1,117,049.93-446,879.89

Finding the Fourth Proportional to 809,455.44, 1,117,049.93 and 446,879.89

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Solution

The fourth proportional to 809,455.44, 1,117,049.93 and 446,879.89 is: 616,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,455.44 : 1,117,049.93 = 446,879.89 : x
  2. Step 2: Convert to fraction form
    809,455.44/1,117,049.93 = 446,879.89/x
  3. Step 3: Cross multiply
    809,455.44x = 1,117,049.93 × 446,879.89
  4. Step 4: Simplify right side
    809,455.44x = 499,187,144,815.88
  5. Step 5: Solve for x
    x = 499,187,144,815.88/809,455.44
  6. Step 6: Final answer
    x = 616,695.03

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1.5x scale

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.