Home / 320,441.06-441,806.60-205,516.85

Finding the Fourth Proportional to 320,441.06, 441,806.60 and 205,516.85

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Solution

The fourth proportional to 320,441.06, 441,806.60 and 205,516.85 is: 283,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,441.06 : 441,806.60 = 205,516.85 : x
  2. Step 2: Convert to fraction form
    320,441.06/441,806.60 = 205,516.85/x
  3. Step 3: Cross multiply
    320,441.06x = 441,806.60 × 205,516.85
  4. Step 4: Simplify right side
    320,441.06x = 90,798,699,045.97
  5. Step 5: Solve for x
    x = 90,798,699,045.97/320,441.06
  6. Step 6: Final answer
    x = 283,355.38

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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.