Home / 696,657.75-1,045,161.61-198,021.75

Finding the Fourth Proportional to 696,657.75, 1,045,161.61 and 198,021.75

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Solution

The fourth proportional to 696,657.75, 1,045,161.61 and 198,021.75 is: 297,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,657.75 : 1,045,161.61 = 198,021.75 : x
  2. Step 2: Convert to fraction form
    696,657.75/1,045,161.61 = 198,021.75/x
  3. Step 3: Cross multiply
    696,657.75x = 1,045,161.61 × 198,021.75
  4. Step 4: Simplify right side
    696,657.75x = 206,964,730,549.96
  5. Step 5: Solve for x
    x = 206,964,730,549.96/696,657.75
  6. Step 6: Final answer
    x = 297,082.36

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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.