Home / 383,246.80-528,880.28-222,195.36

Finding the Fourth Proportional to 383,246.80, 528,880.28 and 222,195.36

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Solution

The fourth proportional to 383,246.80, 528,880.28 and 222,195.36 is: 306,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,246.80 : 528,880.28 = 222,195.36 : x
  2. Step 2: Convert to fraction form
    383,246.80/528,880.28 = 222,195.36/x
  3. Step 3: Cross multiply
    383,246.80x = 528,880.28 × 222,195.36
  4. Step 4: Simplify right side
    383,246.80x = 117,514,744,211.50
  5. Step 5: Solve for x
    x = 117,514,744,211.50/383,246.80
  6. Step 6: Final answer
    x = 306,629.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.