Home / 413,968.14-620,578.03-147,665.35

Finding the Fourth Proportional to 413,968.14, 620,578.03 and 147,665.35

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Solution

The fourth proportional to 413,968.14, 620,578.03 and 147,665.35 is: 221,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,968.14 : 620,578.03 = 147,665.35 : x
  2. Step 2: Convert to fraction form
    413,968.14/620,578.03 = 147,665.35/x
  3. Step 3: Cross multiply
    413,968.14x = 620,578.03 × 147,665.35
  4. Step 4: Simplify right side
    413,968.14x = 91,637,874,846.38
  5. Step 5: Solve for x
    x = 91,637,874,846.38/413,968.14
  6. Step 6: Final answer
    x = 221,364.56

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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.