Home / 839,636.66-1,258,709.30-327,183.15

Finding the Fourth Proportional to 839,636.66, 1,258,709.30 and 327,183.15

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Solution

The fourth proportional to 839,636.66, 1,258,709.30 and 327,183.15 is: 490,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,636.66 : 1,258,709.30 = 327,183.15 : x
  2. Step 2: Convert to fraction form
    839,636.66/1,258,709.30 = 327,183.15/x
  3. Step 3: Cross multiply
    839,636.66x = 1,258,709.30 × 327,183.15
  4. Step 4: Simplify right side
    839,636.66x = 411,828,473,708.30
  5. Step 5: Solve for x
    x = 411,828,473,708.30/839,636.66
  6. Step 6: Final answer
    x = 490,484.15

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Double scale
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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.