Home / 699,614.28-1,049,421.38-386,064.09

Finding the Fourth Proportional to 699,614.28, 1,049,421.38 and 386,064.09

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Solution

The fourth proportional to 699,614.28, 1,049,421.38 and 386,064.09 is: 579,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,614.28 : 1,049,421.38 = 386,064.09 : x
  2. Step 2: Convert to fraction form
    699,614.28/1,049,421.38 = 386,064.09/x
  3. Step 3: Cross multiply
    699,614.28x = 1,049,421.38 × 386,064.09
  4. Step 4: Simplify right side
    699,614.28x = 405,143,908,165.92
  5. Step 5: Solve for x
    x = 405,143,908,165.92/699,614.28
  6. Step 6: Final answer
    x = 579,096.11

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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.