Home / 297,731.20-446,596.80-274,921.60

Finding the Fourth Proportional to 297,731.20, 446,596.80 and 274,921.60

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Solution

The fourth proportional to 297,731.20, 446,596.80 and 274,921.60 is: 412,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,731.20 : 446,596.80 = 274,921.60 : x
  2. Step 2: Convert to fraction form
    297,731.20/446,596.80 = 274,921.60/x
  3. Step 3: Cross multiply
    297,731.20x = 446,596.80 × 274,921.60
  4. Step 4: Simplify right side
    297,731.20x = 122,779,106,810.88
  5. Step 5: Solve for x
    x = 122,779,106,810.88/297,731.20
  6. Step 6: Final answer
    x = 412,382.40

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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.