Home / 328,605.08-491,946.75-297,087.98

Finding the Fourth Proportional to 328,605.08, 491,946.75 and 297,087.98

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Solution

The fourth proportional to 328,605.08, 491,946.75 and 297,087.98 is: 444,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,605.08 : 491,946.75 = 297,087.98 : x
  2. Step 2: Convert to fraction form
    328,605.08/491,946.75 = 297,087.98/x
  3. Step 3: Cross multiply
    328,605.08x = 491,946.75 × 297,087.98
  4. Step 4: Simplify right side
    328,605.08x = 146,151,463,765.33
  5. Step 5: Solve for x
    x = 146,151,463,765.33/328,605.08
  6. Step 6: Final answer
    x = 444,763.26

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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.