Home / 698,825.56-1,048,207.85-219,042.42

Finding the Fourth Proportional to 698,825.56, 1,048,207.85 and 219,042.42

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Solution

The fourth proportional to 698,825.56, 1,048,207.85 and 219,042.42 is: 328,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,825.56 : 1,048,207.85 = 219,042.42 : x
  2. Step 2: Convert to fraction form
    698,825.56/1,048,207.85 = 219,042.42/x
  3. Step 3: Cross multiply
    698,825.56x = 1,048,207.85 × 219,042.42
  4. Step 4: Simplify right side
    698,825.56x = 229,601,983,640.57
  5. Step 5: Solve for x
    x = 229,601,983,640.57/698,825.56
  6. Step 6: Final answer
    x = 328,554.07

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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.