Home / 693,364.38-1,040,085.45-194,689.50

Finding the Fourth Proportional to 693,364.38, 1,040,085.45 and 194,689.50

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Solution

The fourth proportional to 693,364.38, 1,040,085.45 and 194,689.50 is: 292,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,364.38 : 1,040,085.45 = 194,689.50 : x
  2. Step 2: Convert to fraction form
    693,364.38/1,040,085.45 = 194,689.50/x
  3. Step 3: Cross multiply
    693,364.38x = 1,040,085.45 × 194,689.50
  4. Step 4: Simplify right side
    693,364.38x = 202,493,716,217.78
  5. Step 5: Solve for x
    x = 202,493,716,217.78/693,364.38
  6. Step 6: Final answer
    x = 292,045.17

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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.