Home / 381,392.46-526,319.91-211,626.18

Finding the Fourth Proportional to 381,392.46, 526,319.91 and 211,626.18

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Solution

The fourth proportional to 381,392.46, 526,319.91 and 211,626.18 is: 292,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,392.46 : 526,319.91 = 211,626.18 : x
  2. Step 2: Convert to fraction form
    381,392.46/526,319.91 = 211,626.18/x
  3. Step 3: Cross multiply
    381,392.46x = 526,319.91 × 211,626.18
  4. Step 4: Simplify right side
    381,392.46x = 111,383,072,011.24
  5. Step 5: Solve for x
    x = 111,383,072,011.24/381,392.46
  6. Step 6: Final answer
    x = 292,043.19

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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.