Home / 505,629.40-758,447.06-168,669.24

Finding the Fourth Proportional to 505,629.40, 758,447.06 and 168,669.24

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Solution

The fourth proportional to 505,629.40, 758,447.06 and 168,669.24 is: 253,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,629.40 : 758,447.06 = 168,669.24 : x
  2. Step 2: Convert to fraction form
    505,629.40/758,447.06 = 168,669.24/x
  3. Step 3: Cross multiply
    505,629.40x = 758,447.06 × 168,669.24
  4. Step 4: Simplify right side
    505,629.40x = 127,926,689,190.43
  5. Step 5: Solve for x
    x = 127,926,689,190.43/505,629.40
  6. Step 6: Final answer
    x = 253,004.85

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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.