Home / 433,380.26-649,479.89-208,724.33

Finding the Fourth Proportional to 433,380.26, 649,479.89 and 208,724.33

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Solution

The fourth proportional to 433,380.26, 649,479.89 and 208,724.33 is: 312,802.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,380.26 : 649,479.89 = 208,724.33 : x
  2. Step 2: Convert to fraction form
    433,380.26/649,479.89 = 208,724.33/x
  3. Step 3: Cross multiply
    433,380.26x = 649,479.89 × 208,724.33
  4. Step 4: Simplify right side
    433,380.26x = 135,562,250,597.70
  5. Step 5: Solve for x
    x = 135,562,250,597.70/433,380.26
  6. Step 6: Final answer
    x = 312,802.09

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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.