Home / 451,147.36-622,589.52-247,194.16

Finding the Fourth Proportional to 451,147.36, 622,589.52 and 247,194.16

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Solution

The fourth proportional to 451,147.36, 622,589.52 and 247,194.16 is: 341,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,147.36 : 622,589.52 = 247,194.16 : x
  2. Step 2: Convert to fraction form
    451,147.36/622,589.52 = 247,194.16/x
  3. Step 3: Cross multiply
    451,147.36x = 622,589.52 × 247,194.16
  4. Step 4: Simplify right side
    451,147.36x = 153,900,493,421.20
  5. Step 5: Solve for x
    x = 153,900,493,421.20/451,147.36
  6. Step 6: Final answer
    x = 341,131.32

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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.