Home / 1,191,150.20-1,787,058.81-481,676.46

Finding the Fourth Proportional to 1,191,150.20, 1,787,058.81 and 481,676.46

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Solution

The fourth proportional to 1,191,150.20, 1,787,058.81 and 481,676.46 is: 722,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,150.20 : 1,787,058.81 = 481,676.46 : x
  2. Step 2: Convert to fraction form
    1,191,150.20/1,787,058.81 = 481,676.46/x
  3. Step 3: Cross multiply
    1,191,150.20x = 1,787,058.81 × 481,676.46
  4. Step 4: Simplify right side
    1,191,150.20x = 860,784,159,004.23
  5. Step 5: Solve for x
    x = 860,784,159,004.23/1,191,150.20
  6. Step 6: Final answer
    x = 722,649.56

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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.