Home / 1,192,698-1,788,895.32-393,783.12

Finding the Fourth Proportional to 1,192,698, 1,788,895.32 and 393,783.12

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Solution

The fourth proportional to 1,192,698, 1,788,895.32 and 393,783.12 is: 590,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,698 : 1,788,895.32 = 393,783.12 : x
  2. Step 2: Convert to fraction form
    1,192,698/1,788,895.32 = 393,783.12/x
  3. Step 3: Cross multiply
    1,192,698x = 1,788,895.32 × 393,783.12
  4. Step 4: Simplify right side
    1,192,698x = 704,436,780,463.00
  5. Step 5: Solve for x
    x = 704,436,780,463.00/1,192,698
  6. Step 6: Final answer
    x = 590,624.60

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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.