Home / 381,338.04-526,246.56-211,571.76

Finding the Fourth Proportional to 381,338.04, 526,246.56 and 211,571.76

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Solution

The fourth proportional to 381,338.04, 526,246.56 and 211,571.76 is: 291,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,338.04 : 526,246.56 = 211,571.76 : x
  2. Step 2: Convert to fraction form
    381,338.04/526,246.56 = 211,571.76/x
  3. Step 3: Cross multiply
    381,338.04x = 526,246.56 × 211,571.76
  4. Step 4: Simplify right side
    381,338.04x = 111,338,910,893.15
  5. Step 5: Solve for x
    x = 111,338,910,893.15/381,338.04
  6. Step 6: Final answer
    x = 291,969.06

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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.