Home / 1,121,774.27-1,682,664.13-447,910.36

Finding the Fourth Proportional to 1,121,774.27, 1,682,664.13 and 447,910.36

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Solution

The fourth proportional to 1,121,774.27, 1,682,664.13 and 447,910.36 is: 671,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,774.27 : 1,682,664.13 = 447,910.36 : x
  2. Step 2: Convert to fraction form
    1,121,774.27/1,682,664.13 = 447,910.36/x
  3. Step 3: Cross multiply
    1,121,774.27x = 1,682,664.13 × 447,910.36
  4. Step 4: Simplify right side
    1,121,774.27x = 753,682,692,580.61
  5. Step 5: Solve for x
    x = 753,682,692,580.61/1,121,774.27
  6. Step 6: Final answer
    x = 671,866.63

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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.