Home / 939,576.22-1,296,618.67-509,856.44

Finding the Fourth Proportional to 939,576.22, 1,296,618.67 and 509,856.44

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Solution

The fourth proportional to 939,576.22, 1,296,618.67 and 509,856.44 is: 703,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,576.22 : 1,296,618.67 = 509,856.44 : x
  2. Step 2: Convert to fraction form
    939,576.22/1,296,618.67 = 509,856.44/x
  3. Step 3: Cross multiply
    939,576.22x = 1,296,618.67 × 509,856.44
  4. Step 4: Simplify right side
    939,576.22x = 661,089,373,277.96
  5. Step 5: Solve for x
    x = 661,089,373,277.96/939,576.22
  6. Step 6: Final answer
    x = 703,603.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.