Home / 379,310.85-569,048.28-201,792.06

Finding the Fourth Proportional to 379,310.85, 569,048.28 and 201,792.06

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Solution

The fourth proportional to 379,310.85, 569,048.28 and 201,792.06 is: 302,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,310.85 : 569,048.28 = 201,792.06 : x
  2. Step 2: Convert to fraction form
    379,310.85/569,048.28 = 201,792.06/x
  3. Step 3: Cross multiply
    379,310.85x = 569,048.28 × 201,792.06
  4. Step 4: Simplify right side
    379,310.85x = 114,829,421,815.42
  5. Step 5: Solve for x
    x = 114,829,421,815.42/379,310.85
  6. Step 6: Final answer
    x = 302,731.71

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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.