Home / 483,135.60-666,743.90-268,279.26

Finding the Fourth Proportional to 483,135.60, 666,743.90 and 268,279.26

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Solution

The fourth proportional to 483,135.60, 666,743.90 and 268,279.26 is: 370,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,135.60 : 666,743.90 = 268,279.26 : x
  2. Step 2: Convert to fraction form
    483,135.60/666,743.90 = 268,279.26/x
  3. Step 3: Cross multiply
    483,135.60x = 666,743.90 × 268,279.26
  4. Step 4: Simplify right side
    483,135.60x = 178,873,558,760.12
  5. Step 5: Solve for x
    x = 178,873,558,760.12/483,135.60
  6. Step 6: Final answer
    x = 370,234.69

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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.