Home / 400,020.12-552,027.96-227,933.19

Finding the Fourth Proportional to 400,020.12, 552,027.96 and 227,933.19

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Solution

The fourth proportional to 400,020.12, 552,027.96 and 227,933.19 is: 314,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,020.12 : 552,027.96 = 227,933.19 : x
  2. Step 2: Convert to fraction form
    400,020.12/552,027.96 = 227,933.19/x
  3. Step 3: Cross multiply
    400,020.12x = 552,027.96 × 227,933.19
  4. Step 4: Simplify right side
    400,020.12x = 125,825,493,891.99
  5. Step 5: Solve for x
    x = 125,825,493,891.99/400,020.12
  6. Step 6: Final answer
    x = 314,547.91

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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.