Home / 470,814.08-649,736.16-255,968.88

Finding the Fourth Proportional to 470,814.08, 649,736.16 and 255,968.88

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Solution

The fourth proportional to 470,814.08, 649,736.16 and 255,968.88 is: 353,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,814.08 : 649,736.16 = 255,968.88 : x
  2. Step 2: Convert to fraction form
    470,814.08/649,736.16 = 255,968.88/x
  3. Step 3: Cross multiply
    470,814.08x = 649,736.16 × 255,968.88
  4. Step 4: Simplify right side
    470,814.08x = 166,312,237,170.70
  5. Step 5: Solve for x
    x = 166,312,237,170.70/470,814.08
  6. Step 6: Final answer
    x = 353,243.98

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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.