Home / 628,517.79-942,865.23-201,910.56

Finding the Fourth Proportional to 628,517.79, 942,865.23 and 201,910.56

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Solution

The fourth proportional to 628,517.79, 942,865.23 and 201,910.56 is: 302,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,517.79 : 942,865.23 = 201,910.56 : x
  2. Step 2: Convert to fraction form
    628,517.79/942,865.23 = 201,910.56/x
  3. Step 3: Cross multiply
    628,517.79x = 942,865.23 × 201,910.56
  4. Step 4: Simplify right side
    628,517.79x = 190,374,446,593.83
  5. Step 5: Solve for x
    x = 190,374,446,593.83/628,517.79
  6. Step 6: Final answer
    x = 302,894.28

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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.