Home / 383,230.49-528,874.40-213,464.57

Finding the Fourth Proportional to 383,230.49, 528,874.40 and 213,464.57

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Solution

The fourth proportional to 383,230.49, 528,874.40 and 213,464.57 is: 294,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,230.49 : 528,874.40 = 213,464.57 : x
  2. Step 2: Convert to fraction form
    383,230.49/528,874.40 = 213,464.57/x
  3. Step 3: Cross multiply
    383,230.49x = 528,874.40 × 213,464.57
  4. Step 4: Simplify right side
    383,230.49x = 112,895,946,380.01
  5. Step 5: Solve for x
    x = 112,895,946,380.01/383,230.49
  6. Step 6: Final answer
    x = 294,590.20

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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.