Home / 628,195.42-942,398.97-291,099.34

Finding the Fourth Proportional to 628,195.42, 942,398.97 and 291,099.34

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Solution

The fourth proportional to 628,195.42, 942,398.97 and 291,099.34 is: 436,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,195.42 : 942,398.97 = 291,099.34 : x
  2. Step 2: Convert to fraction form
    628,195.42/942,398.97 = 291,099.34/x
  3. Step 3: Cross multiply
    628,195.42x = 942,398.97 × 291,099.34
  4. Step 4: Simplify right side
    628,195.42x = 274,331,718,183.68
  5. Step 5: Solve for x
    x = 274,331,718,183.68/628,195.42
  6. Step 6: Final answer
    x = 436,698.06

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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.