Home / 936,819.72-1,405,268.46-271,971.72

Finding the Fourth Proportional to 936,819.72, 1,405,268.46 and 271,971.72

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Solution

The fourth proportional to 936,819.72, 1,405,268.46 and 271,971.72 is: 407,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,819.72 : 1,405,268.46 = 271,971.72 : x
  2. Step 2: Convert to fraction form
    936,819.72/1,405,268.46 = 271,971.72/x
  3. Step 3: Cross multiply
    936,819.72x = 1,405,268.46 × 271,971.72
  4. Step 4: Simplify right side
    936,819.72x = 382,193,280,127.95
  5. Step 5: Solve for x
    x = 382,193,280,127.95/936,819.72
  6. Step 6: Final answer
    x = 407,968.87

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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.