Home / 470,996.72-649,972.32-256,136.26

Finding the Fourth Proportional to 470,996.72, 649,972.32 and 256,136.26

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Solution

The fourth proportional to 470,996.72, 649,972.32 and 256,136.26 is: 353,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,996.72 : 649,972.32 = 256,136.26 : x
  2. Step 2: Convert to fraction form
    470,996.72/649,972.32 = 256,136.26/x
  3. Step 3: Cross multiply
    470,996.72x = 649,972.32 × 256,136.26
  4. Step 4: Simplify right side
    470,996.72x = 166,481,479,148.32
  5. Step 5: Solve for x
    x = 166,481,479,148.32/470,996.72
  6. Step 6: Final answer
    x = 353,466.32

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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.