Home / 443,607.04-612,190.38-247,378.12

Finding the Fourth Proportional to 443,607.04, 612,190.38 and 247,378.12

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Solution

The fourth proportional to 443,607.04, 612,190.38 and 247,378.12 is: 341,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,607.04 : 612,190.38 = 247,378.12 : x
  2. Step 2: Convert to fraction form
    443,607.04/612,190.38 = 247,378.12/x
  3. Step 3: Cross multiply
    443,607.04x = 612,190.38 × 247,378.12
  4. Step 4: Simplify right side
    443,607.04x = 151,442,505,286.49
  5. Step 5: Solve for x
    x = 151,442,505,286.49/443,607.04
  6. Step 6: Final answer
    x = 341,388.87

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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.