Home / 428,698.08-591,611.45-235,093.52

Finding the Fourth Proportional to 428,698.08, 591,611.45 and 235,093.52

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Solution

The fourth proportional to 428,698.08, 591,611.45 and 235,093.52 is: 324,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,698.08 : 591,611.45 = 235,093.52 : x
  2. Step 2: Convert to fraction form
    428,698.08/591,611.45 = 235,093.52/x
  3. Step 3: Cross multiply
    428,698.08x = 591,611.45 × 235,093.52
  4. Step 4: Simplify right side
    428,698.08x = 139,084,018,556.37
  5. Step 5: Solve for x
    x = 139,084,018,556.37/428,698.08
  6. Step 6: Final answer
    x = 324,433.50

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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.