Home / 1,192,686-1,788,877.32-393,771.12

Finding the Fourth Proportional to 1,192,686, 1,788,877.32 and 393,771.12

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Solution

The fourth proportional to 1,192,686, 1,788,877.32 and 393,771.12 is: 590,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,686 : 1,788,877.32 = 393,771.12 : x
  2. Step 2: Convert to fraction form
    1,192,686/1,788,877.32 = 393,771.12/x
  3. Step 3: Cross multiply
    1,192,686x = 1,788,877.32 × 393,771.12
  4. Step 4: Simplify right side
    1,192,686x = 704,408,225,839.00
  5. Step 5: Solve for x
    x = 704,408,225,839.00/1,192,686
  6. Step 6: Final answer
    x = 590,606.60

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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.