Home / 722,029.89-1,083,210.93-242,321.36

Finding the Fourth Proportional to 722,029.89, 1,083,210.93 and 242,321.36

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Solution

The fourth proportional to 722,029.89, 1,083,210.93 and 242,321.36 is: 363,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,029.89 : 1,083,210.93 = 242,321.36 : x
  2. Step 2: Convert to fraction form
    722,029.89/1,083,210.93 = 242,321.36/x
  3. Step 3: Cross multiply
    722,029.89x = 1,083,210.93 × 242,321.36
  4. Step 4: Simplify right side
    722,029.89x = 262,485,145,724.47
  5. Step 5: Solve for x
    x = 262,485,145,724.47/722,029.89
  6. Step 6: Final answer
    x = 363,537.78

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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.