Home / 400,021.12-552,029.34-227,934.19

Finding the Fourth Proportional to 400,021.12, 552,029.34 and 227,934.19

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Solution

The fourth proportional to 400,021.12, 552,029.34 and 227,934.19 is: 314,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,021.12 : 552,029.34 = 227,934.19 : x
  2. Step 2: Convert to fraction form
    400,021.12/552,029.34 = 227,934.19/x
  3. Step 3: Cross multiply
    400,021.12x = 552,029.34 × 227,934.19
  4. Step 4: Simplify right side
    400,021.12x = 125,826,360,469.14
  5. Step 5: Solve for x
    x = 125,826,360,469.14/400,021.12
  6. Step 6: Final answer
    x = 314,549.29

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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.