Home / 699,653.28-1,049,554.90-194,216.38

Finding the Fourth Proportional to 699,653.28, 1,049,554.90 and 194,216.38

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Solution

The fourth proportional to 699,653.28, 1,049,554.90 and 194,216.38 is: 291,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,653.28 : 1,049,554.90 = 194,216.38 : x
  2. Step 2: Convert to fraction form
    699,653.28/1,049,554.90 = 194,216.38/x
  3. Step 3: Cross multiply
    699,653.28x = 1,049,554.90 × 194,216.38
  4. Step 4: Simplify right side
    699,653.28x = 203,840,753,289.26
  5. Step 5: Solve for x
    x = 203,840,753,289.26/699,653.28
  6. Step 6: Final answer
    x = 291,345.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.