Home / 1,228,738.10-1,843,105.57-330,179.86

Finding the Fourth Proportional to 1,228,738.10, 1,843,105.57 and 330,179.86

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Solution

The fourth proportional to 1,228,738.10, 1,843,105.57 and 330,179.86 is: 495,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,738.10 : 1,843,105.57 = 330,179.86 : x
  2. Step 2: Convert to fraction form
    1,228,738.10/1,843,105.57 = 330,179.86/x
  3. Step 3: Cross multiply
    1,228,738.10x = 1,843,105.57 × 330,179.86
  4. Step 4: Simplify right side
    1,228,738.10x = 608,556,329,559.70
  5. Step 5: Solve for x
    x = 608,556,329,559.70/1,228,738.10
  6. Step 6: Final answer
    x = 495,269.36

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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.