Home / 469,982.43-648,587.51-255,122.48

Finding the Fourth Proportional to 469,982.43, 648,587.51 and 255,122.48

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Solution

The fourth proportional to 469,982.43, 648,587.51 and 255,122.48 is: 352,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,982.43 : 648,587.51 = 255,122.48 : x
  2. Step 2: Convert to fraction form
    469,982.43/648,587.51 = 255,122.48/x
  3. Step 3: Cross multiply
    469,982.43x = 648,587.51 × 255,122.48
  4. Step 4: Simplify right side
    469,982.43x = 165,469,249,529.68
  5. Step 5: Solve for x
    x = 165,469,249,529.68/469,982.43
  6. Step 6: Final answer
    x = 352,075.39

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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.