Home / 511,619.33-767,961.26-376,835.60

Finding the Fourth Proportional to 511,619.33, 767,961.26 and 376,835.60

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Solution

The fourth proportional to 511,619.33, 767,961.26 and 376,835.60 is: 565,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,619.33 : 767,961.26 = 376,835.60 : x
  2. Step 2: Convert to fraction form
    511,619.33/767,961.26 = 376,835.60/x
  3. Step 3: Cross multiply
    511,619.33x = 767,961.26 × 376,835.60
  4. Step 4: Simplify right side
    511,619.33x = 289,395,142,188.86
  5. Step 5: Solve for x
    x = 289,395,142,188.86/511,619.33
  6. Step 6: Final answer
    x = 565,645.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.