Home / 764,330.76-1,146,498.90-231,856.44

Finding the Fourth Proportional to 764,330.76, 1,146,498.90 and 231,856.44

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Solution

The fourth proportional to 764,330.76, 1,146,498.90 and 231,856.44 is: 347,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,330.76 : 1,146,498.90 = 231,856.44 : x
  2. Step 2: Convert to fraction form
    764,330.76/1,146,498.90 = 231,856.44/x
  3. Step 3: Cross multiply
    764,330.76x = 1,146,498.90 × 231,856.44
  4. Step 4: Simplify right side
    764,330.76x = 265,823,153,417.92
  5. Step 5: Solve for x
    x = 265,823,153,417.92/764,330.76
  6. Step 6: Final answer
    x = 347,785.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.