Home / 262,629.40-393,944.10-251,111.20

Finding the Fourth Proportional to 262,629.40, 393,944.10 and 251,111.20

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Solution

The fourth proportional to 262,629.40, 393,944.10 and 251,111.20 is: 376,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,629.40 : 393,944.10 = 251,111.20 : x
  2. Step 2: Convert to fraction form
    262,629.40/393,944.10 = 251,111.20/x
  3. Step 3: Cross multiply
    262,629.40x = 393,944.10 × 251,111.20
  4. Step 4: Simplify right side
    262,629.40x = 98,923,775,683.92
  5. Step 5: Solve for x
    x = 98,923,775,683.92/262,629.40
  6. Step 6: Final answer
    x = 376,666.80

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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.