Home / 676,604.44-1,014,779.64-339,554.68

Finding the Fourth Proportional to 676,604.44, 1,014,779.64 and 339,554.68

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Solution

The fourth proportional to 676,604.44, 1,014,779.64 and 339,554.68 is: 509,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,604.44 : 1,014,779.64 = 339,554.68 : x
  2. Step 2: Convert to fraction form
    676,604.44/1,014,779.64 = 339,554.68/x
  3. Step 3: Cross multiply
    676,604.44x = 1,014,779.64 × 339,554.68
  4. Step 4: Simplify right side
    676,604.44x = 344,573,175,930.72
  5. Step 5: Solve for x
    x = 344,573,175,930.72/676,604.44
  6. Step 6: Final answer
    x = 509,268.27

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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.