Home / 892,911.74-1,232,231.46-485,021.54

Finding the Fourth Proportional to 892,911.74, 1,232,231.46 and 485,021.54

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Solution

The fourth proportional to 892,911.74, 1,232,231.46 and 485,021.54 is: 669,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,911.74 : 1,232,231.46 = 485,021.54 : x
  2. Step 2: Convert to fraction form
    892,911.74/1,232,231.46 = 485,021.54/x
  3. Step 3: Cross multiply
    892,911.74x = 1,232,231.46 × 485,021.54
  4. Step 4: Simplify right side
    892,911.74x = 597,658,800,365.65
  5. Step 5: Solve for x
    x = 597,658,800,365.65/892,911.74
  6. Step 6: Final answer
    x = 669,336.93

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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.