Home / 347,983.70-521,975.55-237,391.70

Finding the Fourth Proportional to 347,983.70, 521,975.55 and 237,391.70

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Solution

The fourth proportional to 347,983.70, 521,975.55 and 237,391.70 is: 356,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,983.70 : 521,975.55 = 237,391.70 : x
  2. Step 2: Convert to fraction form
    347,983.70/521,975.55 = 237,391.70/x
  3. Step 3: Cross multiply
    347,983.70x = 521,975.55 × 237,391.70
  4. Step 4: Simplify right side
    347,983.70x = 123,912,663,172.94
  5. Step 5: Solve for x
    x = 123,912,663,172.94/347,983.70
  6. Step 6: Final answer
    x = 356,087.55

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1.5x scale

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.