Home / 530,719.62-796,079.44-156,771.78

Finding the Fourth Proportional to 530,719.62, 796,079.44 and 156,771.78

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Solution

The fourth proportional to 530,719.62, 796,079.44 and 156,771.78 is: 235,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,719.62 : 796,079.44 = 156,771.78 : x
  2. Step 2: Convert to fraction form
    530,719.62/796,079.44 = 156,771.78/x
  3. Step 3: Cross multiply
    530,719.62x = 796,079.44 × 156,771.78
  4. Step 4: Simplify right side
    530,719.62x = 124,802,790,830.20
  5. Step 5: Solve for x
    x = 124,802,790,830.20/530,719.62
  6. Step 6: Final answer
    x = 235,157.67

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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.