Home / 381,733.20-526,840.20-230,913.36

Finding the Fourth Proportional to 381,733.20, 526,840.20 and 230,913.36

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Solution

The fourth proportional to 381,733.20, 526,840.20 and 230,913.36 is: 318,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,733.20 : 526,840.20 = 230,913.36 : x
  2. Step 2: Convert to fraction form
    381,733.20/526,840.20 = 230,913.36/x
  3. Step 3: Cross multiply
    381,733.20x = 526,840.20 × 230,913.36
  4. Step 4: Simplify right side
    381,733.20x = 121,654,440,765.07
  5. Step 5: Solve for x
    x = 121,654,440,765.07/381,733.20
  6. Step 6: Final answer
    x = 318,689.70

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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.