Home / 1,191,345.84-1,787,015.28-481,365.60

Finding the Fourth Proportional to 1,191,345.84, 1,787,015.28 and 481,365.60

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Solution

The fourth proportional to 1,191,345.84, 1,787,015.28 and 481,365.60 is: 722,046.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,345.84 : 1,787,015.28 = 481,365.60 : x
  2. Step 2: Convert to fraction form
    1,191,345.84/1,787,015.28 = 481,365.60/x
  3. Step 3: Cross multiply
    1,191,345.84x = 1,787,015.28 × 481,365.60
  4. Step 4: Simplify right side
    1,191,345.84x = 860,207,682,466.37
  5. Step 5: Solve for x
    x = 860,207,682,466.37/1,191,345.84
  6. Step 6: Final answer
    x = 722,046.99

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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.