Home / 913,968.43-1,371,232.91-408,954.49

Finding the Fourth Proportional to 913,968.43, 1,371,232.91 and 408,954.49

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Solution

The fourth proportional to 913,968.43, 1,371,232.91 and 408,954.49 is: 613,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,968.43 : 1,371,232.91 = 408,954.49 : x
  2. Step 2: Convert to fraction form
    913,968.43/1,371,232.91 = 408,954.49/x
  3. Step 3: Cross multiply
    913,968.43x = 1,371,232.91 × 408,954.49
  4. Step 4: Simplify right side
    913,968.43x = 560,771,855,380.27
  5. Step 5: Solve for x
    x = 560,771,855,380.27/913,968.43
  6. Step 6: Final answer
    x = 613,557.14

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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.