Home / 763,789.26-1,054,062.54-424,257.51

Finding the Fourth Proportional to 763,789.26, 1,054,062.54 and 424,257.51

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Solution

The fourth proportional to 763,789.26, 1,054,062.54 and 424,257.51 is: 585,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,789.26 : 1,054,062.54 = 424,257.51 : x
  2. Step 2: Convert to fraction form
    763,789.26/1,054,062.54 = 424,257.51/x
  3. Step 3: Cross multiply
    763,789.26x = 1,054,062.54 × 424,257.51
  4. Step 4: Simplify right side
    763,789.26x = 447,193,948,604.68
  5. Step 5: Solve for x
    x = 447,193,948,604.68/763,789.26
  6. Step 6: Final answer
    x = 585,493.89

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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.