Home / 429,016.50-589,943.25-372,329.46

Finding the Fourth Proportional to 429,016.50, 589,943.25 and 372,329.46

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Solution

The fourth proportional to 429,016.50, 589,943.25 and 372,329.46 is: 511,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,016.50 : 589,943.25 = 372,329.46 : x
  2. Step 2: Convert to fraction form
    429,016.50/589,943.25 = 372,329.46/x
  3. Step 3: Cross multiply
    429,016.50x = 589,943.25 × 372,329.46
  4. Step 4: Simplify right side
    429,016.50x = 219,653,251,703.15
  5. Step 5: Solve for x
    x = 219,653,251,703.15/429,016.50
  6. Step 6: Final answer
    x = 511,992.55

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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.