Home / 400,147.22-599,554.47-281,569.43

Finding the Fourth Proportional to 400,147.22, 599,554.47 and 281,569.43

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Solution

The fourth proportional to 400,147.22, 599,554.47 and 281,569.43 is: 421,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,147.22 : 599,554.47 = 281,569.43 : x
  2. Step 2: Convert to fraction form
    400,147.22/599,554.47 = 281,569.43/x
  3. Step 3: Cross multiply
    400,147.22x = 599,554.47 × 281,569.43
  4. Step 4: Simplify right side
    400,147.22x = 168,816,210,371.85
  5. Step 5: Solve for x
    x = 168,816,210,371.85/400,147.22
  6. Step 6: Final answer
    x = 421,885.25

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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.