Home / 470,213.22-649,092.87-317,458.31

Finding the Fourth Proportional to 470,213.22, 649,092.87 and 317,458.31

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Solution

The fourth proportional to 470,213.22, 649,092.87 and 317,458.31 is: 438,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,213.22 : 649,092.87 = 317,458.31 : x
  2. Step 2: Convert to fraction form
    470,213.22/649,092.87 = 317,458.31/x
  3. Step 3: Cross multiply
    470,213.22x = 649,092.87 × 317,458.31
  4. Step 4: Simplify right side
    470,213.22x = 206,059,925,543.25
  5. Step 5: Solve for x
    x = 206,059,925,543.25/470,213.22
  6. Step 6: Final answer
    x = 438,226.57

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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.