Home / 1,089,467.64-1,634,245.38-379,567.56

Finding the Fourth Proportional to 1,089,467.64, 1,634,245.38 and 379,567.56

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Solution

The fourth proportional to 1,089,467.64, 1,634,245.38 and 379,567.56 is: 569,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,467.64 : 1,634,245.38 = 379,567.56 : x
  2. Step 2: Convert to fraction form
    1,089,467.64/1,634,245.38 = 379,567.56/x
  3. Step 3: Cross multiply
    1,089,467.64x = 1,634,245.38 × 379,567.56
  4. Step 4: Simplify right side
    1,089,467.64x = 620,306,531,327.87
  5. Step 5: Solve for x
    x = 620,306,531,327.87/1,089,467.64
  6. Step 6: Final answer
    x = 569,366.64

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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.