Home / 809,098.40-1,214,338.80-360,509.60

Finding the Fourth Proportional to 809,098.40, 1,214,338.80 and 360,509.60

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Solution

The fourth proportional to 809,098.40, 1,214,338.80 and 360,509.60 is: 541,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,098.40 : 1,214,338.80 = 360,509.60 : x
  2. Step 2: Convert to fraction form
    809,098.40/1,214,338.80 = 360,509.60/x
  3. Step 3: Cross multiply
    809,098.40x = 1,214,338.80 × 360,509.60
  4. Step 4: Simplify right side
    809,098.40x = 437,780,795,052.48
  5. Step 5: Solve for x
    x = 437,780,795,052.48/809,098.40
  6. Step 6: Final answer
    x = 541,072.38

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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.