Home / 348,779.75-523,036.79-206,665.12

Finding the Fourth Proportional to 348,779.75, 523,036.79 and 206,665.12

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Solution

The fourth proportional to 348,779.75, 523,036.79 and 206,665.12 is: 309,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,779.75 : 523,036.79 = 206,665.12 : x
  2. Step 2: Convert to fraction form
    348,779.75/523,036.79 = 206,665.12/x
  3. Step 3: Cross multiply
    348,779.75x = 523,036.79 × 206,665.12
  4. Step 4: Simplify right side
    348,779.75x = 108,093,457,321.26
  5. Step 5: Solve for x
    x = 108,093,457,321.26/348,779.75
  6. Step 6: Final answer
    x = 309,918.96

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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.