Home / 405,512.22-559,591.02-242,196.42

Finding the Fourth Proportional to 405,512.22, 559,591.02 and 242,196.42

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Solution

The fourth proportional to 405,512.22, 559,591.02 and 242,196.42 is: 334,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,512.22 : 559,591.02 = 242,196.42 : x
  2. Step 2: Convert to fraction form
    405,512.22/559,591.02 = 242,196.42/x
  3. Step 3: Cross multiply
    405,512.22x = 559,591.02 × 242,196.42
  4. Step 4: Simplify right side
    405,512.22x = 135,530,941,708.15
  5. Step 5: Solve for x
    x = 135,530,941,708.15/405,512.22
  6. Step 6: Final answer
    x = 334,221.60

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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.