Home / 451,008.20-622,383.45-247,063.16

Finding the Fourth Proportional to 451,008.20, 622,383.45 and 247,063.16

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Solution

The fourth proportional to 451,008.20, 622,383.45 and 247,063.16 is: 340,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,008.20 : 622,383.45 = 247,063.16 : x
  2. Step 2: Convert to fraction form
    451,008.20/622,383.45 = 247,063.16/x
  3. Step 3: Cross multiply
    451,008.20x = 622,383.45 × 247,063.16
  4. Step 4: Simplify right side
    451,008.20x = 153,768,022,518.17
  5. Step 5: Solve for x
    x = 153,768,022,518.17/451,008.20
  6. Step 6: Final answer
    x = 340,942.85

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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.