Home / 400,506.20-552,966.14-237,215.21

Finding the Fourth Proportional to 400,506.20, 552,966.14 and 237,215.21

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Solution

The fourth proportional to 400,506.20, 552,966.14 and 237,215.21 is: 327,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,506.20 : 552,966.14 = 237,215.21 : x
  2. Step 2: Convert to fraction form
    400,506.20/552,966.14 = 237,215.21/x
  3. Step 3: Cross multiply
    400,506.20x = 552,966.14 × 237,215.21
  4. Step 4: Simplify right side
    400,506.20x = 131,171,978,406.41
  5. Step 5: Solve for x
    x = 131,171,978,406.41/400,506.20
  6. Step 6: Final answer
    x = 327,515.48

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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.