Home / 930,910.12-1,396,365.26-299,823.94

Finding the Fourth Proportional to 930,910.12, 1,396,365.26 and 299,823.94

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Solution

The fourth proportional to 930,910.12, 1,396,365.26 and 299,823.94 is: 449,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,910.12 : 1,396,365.26 = 299,823.94 : x
  2. Step 2: Convert to fraction form
    930,910.12/1,396,365.26 = 299,823.94/x
  3. Step 3: Cross multiply
    930,910.12x = 1,396,365.26 × 299,823.94
  4. Step 4: Simplify right side
    930,910.12x = 418,663,733,932.32
  5. Step 5: Solve for x
    x = 418,663,733,932.32/930,910.12
  6. Step 6: Final answer
    x = 449,735.94

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1.5x scale

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.