Home / 451,415.03-622,997.27-257,851.67

Finding the Fourth Proportional to 451,415.03, 622,997.27 and 257,851.67

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Solution

The fourth proportional to 451,415.03, 622,997.27 and 257,851.67 is: 355,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,415.03 : 622,997.27 = 257,851.67 : x
  2. Step 2: Convert to fraction form
    451,415.03/622,997.27 = 257,851.67/x
  3. Step 3: Cross multiply
    451,415.03x = 622,997.27 × 257,851.67
  4. Step 4: Simplify right side
    451,415.03x = 160,640,882,070.70
  5. Step 5: Solve for x
    x = 160,640,882,070.70/451,415.03
  6. Step 6: Final answer
    x = 355,860.73

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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.