Home / 291,958.84-403,012.38-227,299.96

Finding the Fourth Proportional to 291,958.84, 403,012.38 and 227,299.96

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Solution

The fourth proportional to 291,958.84, 403,012.38 and 227,299.96 is: 313,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,958.84 : 403,012.38 = 227,299.96 : x
  2. Step 2: Convert to fraction form
    291,958.84/403,012.38 = 227,299.96/x
  3. Step 3: Cross multiply
    291,958.84x = 403,012.38 × 227,299.96
  4. Step 4: Simplify right side
    291,958.84x = 91,604,697,853.50
  5. Step 5: Solve for x
    x = 91,604,697,853.50/291,958.84
  6. Step 6: Final answer
    x = 313,758.95

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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.