Home / 923,618.37-1,385,866.14-639,745.77

Finding the Fourth Proportional to 923,618.37, 1,385,866.14 and 639,745.77

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Solution

The fourth proportional to 923,618.37, 1,385,866.14 and 639,745.77 is: 959,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,618.37 : 1,385,866.14 = 639,745.77 : x
  2. Step 2: Convert to fraction form
    923,618.37/1,385,866.14 = 639,745.77/x
  3. Step 3: Cross multiply
    923,618.37x = 1,385,866.14 × 639,745.77
  4. Step 4: Simplify right side
    923,618.37x = 886,602,000,851.23
  5. Step 5: Solve for x
    x = 886,602,000,851.23/923,618.37
  6. Step 6: Final answer
    x = 959,922.44

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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.