Home / 465,240.51-642,092.27-283,976.48

Finding the Fourth Proportional to 465,240.51, 642,092.27 and 283,976.48

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Solution

The fourth proportional to 465,240.51, 642,092.27 and 283,976.48 is: 391,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,240.51 : 642,092.27 = 283,976.48 : x
  2. Step 2: Convert to fraction form
    465,240.51/642,092.27 = 283,976.48/x
  3. Step 3: Cross multiply
    465,240.51x = 642,092.27 × 283,976.48
  4. Step 4: Simplify right side
    465,240.51x = 182,339,102,855.16
  5. Step 5: Solve for x
    x = 182,339,102,855.16/465,240.51
  6. Step 6: Final answer
    x = 391,924.39

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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.