Home / 1,191,341.22-1,787,897.70-481,375.41

Finding the Fourth Proportional to 1,191,341.22, 1,787,897.70 and 481,375.41

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Solution

The fourth proportional to 1,191,341.22, 1,787,897.70 and 481,375.41 is: 722,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,341.22 : 1,787,897.70 = 481,375.41 : x
  2. Step 2: Convert to fraction form
    1,191,341.22/1,787,897.70 = 481,375.41/x
  3. Step 3: Cross multiply
    1,191,341.22x = 1,787,897.70 × 481,375.41
  4. Step 4: Simplify right side
    1,191,341.22x = 860,649,988,375.56
  5. Step 5: Solve for x
    x = 860,649,988,375.56/1,191,341.22
  6. Step 6: Final answer
    x = 722,421.06

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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.