Home / 503,780.15-694,034.09-350,554.85

Finding the Fourth Proportional to 503,780.15, 694,034.09 and 350,554.85

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Solution

The fourth proportional to 503,780.15, 694,034.09 and 350,554.85 is: 482,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,780.15 : 694,034.09 = 350,554.85 : x
  2. Step 2: Convert to fraction form
    503,780.15/694,034.09 = 350,554.85/x
  3. Step 3: Cross multiply
    503,780.15x = 694,034.09 × 350,554.85
  4. Step 4: Simplify right side
    503,780.15x = 243,297,013,721.05
  5. Step 5: Solve for x
    x = 243,297,013,721.05/503,780.15
  6. Step 6: Final answer
    x = 482,942.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.