Home / 400,416.12-552,519.72-239,237.04

Finding the Fourth Proportional to 400,416.12, 552,519.72 and 239,237.04

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Solution

The fourth proportional to 400,416.12, 552,519.72 and 239,237.04 is: 330,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,416.12 : 552,519.72 = 239,237.04 : x
  2. Step 2: Convert to fraction form
    400,416.12/552,519.72 = 239,237.04/x
  3. Step 3: Cross multiply
    400,416.12x = 552,519.72 × 239,237.04
  4. Step 4: Simplify right side
    400,416.12x = 132,183,182,354.43
  5. Step 5: Solve for x
    x = 132,183,182,354.43/400,416.12
  6. Step 6: Final answer
    x = 330,114.54

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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.