Home / 484,085.22-668,028.08-269,220.68

Finding the Fourth Proportional to 484,085.22, 668,028.08 and 269,220.68

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Solution

The fourth proportional to 484,085.22, 668,028.08 and 269,220.68 is: 371,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,085.22 : 668,028.08 = 269,220.68 : x
  2. Step 2: Convert to fraction form
    484,085.22/668,028.08 = 269,220.68/x
  3. Step 3: Cross multiply
    484,085.22x = 668,028.08 × 269,220.68
  4. Step 4: Simplify right side
    484,085.22x = 179,846,969,270.45
  5. Step 5: Solve for x
    x = 179,846,969,270.45/484,085.22
  6. Step 6: Final answer
    x = 371,519.23

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1.5x scale

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.