Home / 414,613.44-621,918.05-161,919.59

Finding the Fourth Proportional to 414,613.44, 621,918.05 and 161,919.59

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Solution

The fourth proportional to 414,613.44, 621,918.05 and 161,919.59 is: 242,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,613.44 : 621,918.05 = 161,919.59 : x
  2. Step 2: Convert to fraction form
    414,613.44/621,918.05 = 161,919.59/x
  3. Step 3: Cross multiply
    414,613.44x = 621,918.05 × 161,919.59
  4. Step 4: Simplify right side
    414,613.44x = 100,700,711,750.41
  5. Step 5: Solve for x
    x = 100,700,711,750.41/414,613.44
  6. Step 6: Final answer
    x = 242,878.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.