Home / 1,399,192.27-2,099,154.94-439,609.10

Finding the Fourth Proportional to 1,399,192.27, 2,099,154.94 and 439,609.10

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Solution

The fourth proportional to 1,399,192.27, 2,099,154.94 and 439,609.10 is: 659,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,192.27 : 2,099,154.94 = 439,609.10 : x
  2. Step 2: Convert to fraction form
    1,399,192.27/2,099,154.94 = 439,609.10/x
  3. Step 3: Cross multiply
    1,399,192.27x = 2,099,154.94 × 439,609.10
  4. Step 4: Simplify right side
    1,399,192.27x = 922,807,613,933.95
  5. Step 5: Solve for x
    x = 922,807,613,933.95/1,399,192.27
  6. Step 6: Final answer
    x = 659,528.81

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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.