Home / 465,609.58-642,545.44-281,852.38

Finding the Fourth Proportional to 465,609.58, 642,545.44 and 281,852.38

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Solution

The fourth proportional to 465,609.58, 642,545.44 and 281,852.38 is: 388,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,609.58 : 642,545.44 = 281,852.38 : x
  2. Step 2: Convert to fraction form
    465,609.58/642,545.44 = 281,852.38/x
  3. Step 3: Cross multiply
    465,609.58x = 642,545.44 × 281,852.38
  4. Step 4: Simplify right side
    465,609.58x = 181,102,961,522.15
  5. Step 5: Solve for x
    x = 181,102,961,522.15/465,609.58
  6. Step 6: Final answer
    x = 388,958.84

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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.