Home / 381,529.55-526,512.83-238,372.63

Finding the Fourth Proportional to 381,529.55, 526,512.83 and 238,372.63

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Solution

The fourth proportional to 381,529.55, 526,512.83 and 238,372.63 is: 328,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,529.55 : 526,512.83 = 238,372.63 : x
  2. Step 2: Convert to fraction form
    381,529.55/526,512.83 = 238,372.63/x
  3. Step 3: Cross multiply
    381,529.55x = 526,512.83 × 238,372.63
  4. Step 4: Simplify right side
    381,529.55x = 125,506,245,507.70
  5. Step 5: Solve for x
    x = 125,506,245,507.70/381,529.55
  6. Step 6: Final answer
    x = 328,955.51

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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.