Home / 892,021-1,230,830.18-504,834.60

Finding the Fourth Proportional to 892,021, 1,230,830.18 and 504,834.60

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Solution

The fourth proportional to 892,021, 1,230,830.18 and 504,834.60 is: 696,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,021 : 1,230,830.18 = 504,834.60 : x
  2. Step 2: Convert to fraction form
    892,021/1,230,830.18 = 504,834.60/x
  3. Step 3: Cross multiply
    892,021x = 1,230,830.18 × 504,834.60
  4. Step 4: Simplify right side
    892,021x = 621,365,661,588.23
  5. Step 5: Solve for x
    x = 621,365,661,588.23/892,021
  6. Step 6: Final answer
    x = 696,581.88

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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.