Home / 383,411.52-529,147.27-230,499.21

Finding the Fourth Proportional to 383,411.52, 529,147.27 and 230,499.21

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Solution

The fourth proportional to 383,411.52, 529,147.27 and 230,499.21 is: 318,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,411.52 : 529,147.27 = 230,499.21 : x
  2. Step 2: Convert to fraction form
    383,411.52/529,147.27 = 230,499.21/x
  3. Step 3: Cross multiply
    383,411.52x = 529,147.27 × 230,499.21
  4. Step 4: Simplify right side
    383,411.52x = 121,968,027,708.66
  5. Step 5: Solve for x
    x = 121,968,027,708.66/383,411.52
  6. Step 6: Final answer
    x = 318,112.58

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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.