Home / 628,247.20-942,025.20-273,200.80

Finding the Fourth Proportional to 628,247.20, 942,025.20 and 273,200.80

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Solution

The fourth proportional to 628,247.20, 942,025.20 and 273,200.80 is: 409,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,247.20 : 942,025.20 = 273,200.80 : x
  2. Step 2: Convert to fraction form
    628,247.20/942,025.20 = 273,200.80/x
  3. Step 3: Cross multiply
    628,247.20x = 942,025.20 × 273,200.80
  4. Step 4: Simplify right side
    628,247.20x = 257,362,038,260.16
  5. Step 5: Solve for x
    x = 257,362,038,260.16/628,247.20
  6. Step 6: Final answer
    x = 409,650.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.