Home / 400,976.38-553,261.29-237,684.37

Finding the Fourth Proportional to 400,976.38, 553,261.29 and 237,684.37

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Solution

The fourth proportional to 400,976.38, 553,261.29 and 237,684.37 is: 327,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,976.38 : 553,261.29 = 237,684.37 : x
  2. Step 2: Convert to fraction form
    400,976.38/553,261.29 = 237,684.37/x
  3. Step 3: Cross multiply
    400,976.38x = 553,261.29 × 237,684.37
  4. Step 4: Simplify right side
    400,976.38x = 131,501,559,775.88
  5. Step 5: Solve for x
    x = 131,501,559,775.88/400,976.38
  6. Step 6: Final answer
    x = 327,953.38

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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.