Home / 381,768.19-526,886.57-220,624.56

Finding the Fourth Proportional to 381,768.19, 526,886.57 and 220,624.56

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Solution

The fourth proportional to 381,768.19, 526,886.57 and 220,624.56 is: 304,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,768.19 : 526,886.57 = 220,624.56 : x
  2. Step 2: Convert to fraction form
    381,768.19/526,886.57 = 220,624.56/x
  3. Step 3: Cross multiply
    381,768.19x = 526,886.57 × 220,624.56
  4. Step 4: Simplify right side
    381,768.19x = 116,244,118,227.72
  5. Step 5: Solve for x
    x = 116,244,118,227.72/381,768.19
  6. Step 6: Final answer
    x = 304,488.75

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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.