Home / 3,099,638.48-4,649,451.24-855,770

Finding the Fourth Proportional to 3,099,638.48, 4,649,451.24 and 855,770

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Solution

The fourth proportional to 3,099,638.48, 4,649,451.24 and 855,770 is: 1,283,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099,638.48 : 4,649,451.24 = 855,770 : x
  2. Step 2: Convert to fraction form
    3,099,638.48/4,649,451.24 = 855,770/x
  3. Step 3: Cross multiply
    3,099,638.48x = 4,649,451.24 × 855,770
  4. Step 4: Simplify right side
    3,099,638.48x = 3,978,860,887,654.80
  5. Step 5: Solve for x
    x = 3,978,860,887,654.80/3,099,638.48
  6. Step 6: Final answer
    x = 1,283,653.21

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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.