Home / 400,537.09-552,736.27-216,771.38

Finding the Fourth Proportional to 400,537.09, 552,736.27 and 216,771.38

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Solution

The fourth proportional to 400,537.09, 552,736.27 and 216,771.38 is: 299,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,537.09 : 552,736.27 = 216,771.38 : x
  2. Step 2: Convert to fraction form
    400,537.09/552,736.27 = 216,771.38/x
  3. Step 3: Cross multiply
    400,537.09x = 552,736.27 × 216,771.38
  4. Step 4: Simplify right side
    400,537.09x = 119,817,404,023.95
  5. Step 5: Solve for x
    x = 119,817,404,023.95/400,537.09
  6. Step 6: Final answer
    x = 299,141.84

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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.