Home / 383,510.43-529,289.78-230,626.85

Finding the Fourth Proportional to 383,510.43, 529,289.78 and 230,626.85

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Solution

The fourth proportional to 383,510.43, 529,289.78 and 230,626.85 is: 318,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,510.43 : 529,289.78 = 230,626.85 : x
  2. Step 2: Convert to fraction form
    383,510.43/529,289.78 = 230,626.85/x
  3. Step 3: Cross multiply
    383,510.43x = 529,289.78 × 230,626.85
  4. Step 4: Simplify right side
    383,510.43x = 122,068,430,899.01
  5. Step 5: Solve for x
    x = 122,068,430,899.01/383,510.43
  6. Step 6: Final answer
    x = 318,292.34

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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.