Home / 324,635.10-447,928.47-190,427.10

Finding the Fourth Proportional to 324,635.10, 447,928.47 and 190,427.10

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Solution

The fourth proportional to 324,635.10, 447,928.47 and 190,427.10 is: 262,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,635.10 : 447,928.47 = 190,427.10 : x
  2. Step 2: Convert to fraction form
    324,635.10/447,928.47 = 190,427.10/x
  3. Step 3: Cross multiply
    324,635.10x = 447,928.47 × 190,427.10
  4. Step 4: Simplify right side
    324,635.10x = 85,297,719,549.54
  5. Step 5: Solve for x
    x = 85,297,719,549.54/324,635.10
  6. Step 6: Final answer
    x = 262,749.53

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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.