Home / 1,393,024.77-2,089,537.63-919,599.41

Finding the Fourth Proportional to 1,393,024.77, 2,089,537.63 and 919,599.41

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Solution

The fourth proportional to 1,393,024.77, 2,089,537.63 and 919,599.41 is: 1,379,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,024.77 : 2,089,537.63 = 919,599.41 : x
  2. Step 2: Convert to fraction form
    1,393,024.77/2,089,537.63 = 919,599.41/x
  3. Step 3: Cross multiply
    1,393,024.77x = 2,089,537.63 × 919,599.41
  4. Step 4: Simplify right side
    1,393,024.77x = 1,921,537,574,645.64
  5. Step 5: Solve for x
    x = 1,921,537,574,645.64/1,393,024.77
  6. Step 6: Final answer
    x = 1,379,399.43

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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.