Home / 1,200,103.59-1,800,016.80-301,476.99

Finding the Fourth Proportional to 1,200,103.59, 1,800,016.80 and 301,476.99

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Solution

The fourth proportional to 1,200,103.59, 1,800,016.80 and 301,476.99 is: 452,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,103.59 : 1,800,016.80 = 301,476.99 : x
  2. Step 2: Convert to fraction form
    1,200,103.59/1,800,016.80 = 301,476.99/x
  3. Step 3: Cross multiply
    1,200,103.59x = 1,800,016.80 × 301,476.99
  4. Step 4: Simplify right side
    1,200,103.59x = 542,663,646,813.43
  5. Step 5: Solve for x
    x = 542,663,646,813.43/1,200,103.59
  6. Step 6: Final answer
    x = 452,180.67

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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.