Home / 448,016.11-671,790.84-211,295.23

Finding the Fourth Proportional to 448,016.11, 671,790.84 and 211,295.23

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Solution

The fourth proportional to 448,016.11, 671,790.84 and 211,295.23 is: 316,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,016.11 : 671,790.84 = 211,295.23 : x
  2. Step 2: Convert to fraction form
    448,016.11/671,790.84 = 211,295.23/x
  3. Step 3: Cross multiply
    448,016.11x = 671,790.84 × 211,295.23
  4. Step 4: Simplify right side
    448,016.11x = 141,946,200,049.69
  5. Step 5: Solve for x
    x = 141,946,200,049.69/448,016.11
  6. Step 6: Final answer
    x = 316,832.80

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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.