Home / 327,678.80-451,914.12-255,947.60

Finding the Fourth Proportional to 327,678.80, 451,914.12 and 255,947.60

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Solution

The fourth proportional to 327,678.80, 451,914.12 and 255,947.60 is: 352,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,678.80 : 451,914.12 = 255,947.60 : x
  2. Step 2: Convert to fraction form
    327,678.80/451,914.12 = 255,947.60/x
  3. Step 3: Cross multiply
    327,678.80x = 451,914.12 × 255,947.60
  4. Step 4: Simplify right side
    327,678.80x = 115,666,334,420.11
  5. Step 5: Solve for x
    x = 115,666,334,420.11/327,678.80
  6. Step 6: Final answer
    x = 352,986.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.