Home / 370,623.92-511,447.29-200,854.40

Finding the Fourth Proportional to 370,623.92, 511,447.29 and 200,854.40

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Solution

The fourth proportional to 370,623.92, 511,447.29 and 200,854.40 is: 277,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,623.92 : 511,447.29 = 200,854.40 : x
  2. Step 2: Convert to fraction form
    370,623.92/511,447.29 = 200,854.40/x
  3. Step 3: Cross multiply
    370,623.92x = 511,447.29 × 200,854.40
  4. Step 4: Simplify right side
    370,623.92x = 102,726,438,564.58
  5. Step 5: Solve for x
    x = 102,726,438,564.58/370,623.92
  6. Step 6: Final answer
    x = 277,171.64

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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.