Home / 383,850.40-529,960.08-240,806.56

Finding the Fourth Proportional to 383,850.40, 529,960.08 and 240,806.56

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Solution

The fourth proportional to 383,850.40, 529,960.08 and 240,806.56 is: 332,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,850.40 : 529,960.08 = 240,806.56 : x
  2. Step 2: Convert to fraction form
    383,850.40/529,960.08 = 240,806.56/x
  3. Step 3: Cross multiply
    383,850.40x = 529,960.08 × 240,806.56
  4. Step 4: Simplify right side
    383,850.40x = 127,617,863,802.13
  5. Step 5: Solve for x
    x = 127,617,863,802.13/383,850.40
  6. Step 6: Final answer
    x = 332,467.71

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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.