Home / 1,393,059.26-2,089,589.33-919,633.91

Finding the Fourth Proportional to 1,393,059.26, 2,089,589.33 and 919,633.91

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Solution

The fourth proportional to 1,393,059.26, 2,089,589.33 and 919,633.91 is: 1,379,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,059.26 : 2,089,589.33 = 919,633.91 : x
  2. Step 2: Convert to fraction form
    1,393,059.26/2,089,589.33 = 919,633.91/x
  3. Step 3: Cross multiply
    1,393,059.26x = 2,089,589.33 × 919,633.91
  4. Step 4: Simplify right side
    1,393,059.26x = 1,921,657,197,693.32
  5. Step 5: Solve for x
    x = 1,921,657,197,693.32/1,393,059.26
  6. Step 6: Final answer
    x = 1,379,451.15

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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.