Home / 381,240.16-526,128.60-211,474.24

Finding the Fourth Proportional to 381,240.16, 526,128.60 and 211,474.24

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Solution

The fourth proportional to 381,240.16, 526,128.60 and 211,474.24 is: 291,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,240.16 : 526,128.60 = 211,474.24 : x
  2. Step 2: Convert to fraction form
    381,240.16/526,128.60 = 211,474.24/x
  3. Step 3: Cross multiply
    381,240.16x = 526,128.60 × 211,474.24
  4. Step 4: Simplify right side
    381,240.16x = 111,262,645,827.26
  5. Step 5: Solve for x
    x = 111,262,645,827.26/381,240.16
  6. Step 6: Final answer
    x = 291,843.98

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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.