Home / 470,244.44-649,206.29-309,566.56

Finding the Fourth Proportional to 470,244.44, 649,206.29 and 309,566.56

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Solution

The fourth proportional to 470,244.44, 649,206.29 and 309,566.56 is: 427,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,244.44 : 649,206.29 = 309,566.56 : x
  2. Step 2: Convert to fraction form
    470,244.44/649,206.29 = 309,566.56/x
  3. Step 3: Cross multiply
    470,244.44x = 649,206.29 × 309,566.56
  4. Step 4: Simplify right side
    470,244.44x = 200,972,558,293.83
  5. Step 5: Solve for x
    x = 200,972,558,293.83/470,244.44
  6. Step 6: Final answer
    x = 427,378.92

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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.