Home / 400,048.55-552,061.68-227,976.75

Finding the Fourth Proportional to 400,048.55, 552,061.68 and 227,976.75

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Solution

The fourth proportional to 400,048.55, 552,061.68 and 227,976.75 is: 314,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,048.55 : 552,061.68 = 227,976.75 : x
  2. Step 2: Convert to fraction form
    400,048.55/552,061.68 = 227,976.75/x
  3. Step 3: Cross multiply
    400,048.55x = 552,061.68 × 227,976.75
  4. Step 4: Simplify right side
    400,048.55x = 125,857,228,303.70
  5. Step 5: Solve for x
    x = 125,857,228,303.70/400,048.55
  6. Step 6: Final answer
    x = 314,604.89

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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.