Home / 400,618.08-552,853.44-230,847.84

Finding the Fourth Proportional to 400,618.08, 552,853.44 and 230,847.84

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Solution

The fourth proportional to 400,618.08, 552,853.44 and 230,847.84 is: 318,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,618.08 : 552,853.44 = 230,847.84 : x
  2. Step 2: Convert to fraction form
    400,618.08/552,853.44 = 230,847.84/x
  3. Step 3: Cross multiply
    400,618.08x = 552,853.44 × 230,847.84
  4. Step 4: Simplify right side
    400,618.08x = 127,625,022,460.57
  5. Step 5: Solve for x
    x = 127,625,022,460.57/400,618.08
  6. Step 6: Final answer
    x = 318,570.30

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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.