Home / 400,533.12-552,873.96-230,834.88

Finding the Fourth Proportional to 400,533.12, 552,873.96 and 230,834.88

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Solution

The fourth proportional to 400,533.12, 552,873.96 and 230,834.88 is: 318,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,533.12 : 552,873.96 = 230,834.88 : x
  2. Step 2: Convert to fraction form
    400,533.12/552,873.96 = 230,834.88/x
  3. Step 3: Cross multiply
    400,533.12x = 552,873.96 × 230,834.88
  4. Step 4: Simplify right side
    400,533.12x = 127,622,594,211.73
  5. Step 5: Solve for x
    x = 127,622,594,211.73/400,533.12
  6. Step 6: Final answer
    x = 318,631.81

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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.