Home / 763,809.36-1,054,027.44-424,299.12

Finding the Fourth Proportional to 763,809.36, 1,054,027.44 and 424,299.12

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Solution

The fourth proportional to 763,809.36, 1,054,027.44 and 424,299.12 is: 585,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,809.36 : 1,054,027.44 = 424,299.12 : x
  2. Step 2: Convert to fraction form
    763,809.36/1,054,027.44 = 424,299.12/x
  3. Step 3: Cross multiply
    763,809.36x = 1,054,027.44 × 424,299.12
  4. Step 4: Simplify right side
    763,809.36x = 447,222,915,247.85
  5. Step 5: Solve for x
    x = 447,222,915,247.85/763,809.36
  6. Step 6: Final answer
    x = 585,516.41

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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.