Home / 862,180.86-1,293,271.11-263,145.06

Finding the Fourth Proportional to 862,180.86, 1,293,271.11 and 263,145.06

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Solution

The fourth proportional to 862,180.86, 1,293,271.11 and 263,145.06 is: 394,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,180.86 : 1,293,271.11 = 263,145.06 : x
  2. Step 2: Convert to fraction form
    862,180.86/1,293,271.11 = 263,145.06/x
  3. Step 3: Cross multiply
    862,180.86x = 1,293,271.11 × 263,145.06
  4. Step 4: Simplify right side
    862,180.86x = 340,317,903,837.22
  5. Step 5: Solve for x
    x = 340,317,903,837.22/862,180.86
  6. Step 6: Final answer
    x = 394,717.54

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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.