Home / 1,097,934.74-1,647,059.52-339,842.78

Finding the Fourth Proportional to 1,097,934.74, 1,647,059.52 and 339,842.78

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Solution

The fourth proportional to 1,097,934.74, 1,647,059.52 and 339,842.78 is: 509,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,934.74 : 1,647,059.52 = 339,842.78 : x
  2. Step 2: Convert to fraction form
    1,097,934.74/1,647,059.52 = 339,842.78/x
  3. Step 3: Cross multiply
    1,097,934.74x = 1,647,059.52 × 339,842.78
  4. Step 4: Simplify right side
    1,097,934.74x = 559,741,286,102.27
  5. Step 5: Solve for x
    x = 559,741,286,102.27/1,097,934.74
  6. Step 6: Final answer
    x = 509,812.89

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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.