Home / 1,166,921.06-1,749,383.12-447,778.80

Finding the Fourth Proportional to 1,166,921.06, 1,749,383.12 and 447,778.80

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Solution

The fourth proportional to 1,166,921.06, 1,749,383.12 and 447,778.80 is: 671,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,921.06 : 1,749,383.12 = 447,778.80 : x
  2. Step 2: Convert to fraction form
    1,166,921.06/1,749,383.12 = 447,778.80/x
  3. Step 3: Cross multiply
    1,166,921.06x = 1,749,383.12 × 447,778.80
  4. Step 4: Simplify right side
    1,166,921.06x = 783,336,675,333.30
  5. Step 5: Solve for x
    x = 783,336,675,333.30/1,166,921.06
  6. Step 6: Final answer
    x = 671,285.06

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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.