Home / 1,399,190.07-2,099,151.65-439,606.91

Finding the Fourth Proportional to 1,399,190.07, 2,099,151.65 and 439,606.91

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Solution

The fourth proportional to 1,399,190.07, 2,099,151.65 and 439,606.91 is: 659,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,190.07 : 2,099,151.65 = 439,606.91 : x
  2. Step 2: Convert to fraction form
    1,399,190.07/2,099,151.65 = 439,606.91/x
  3. Step 3: Cross multiply
    1,399,190.07x = 2,099,151.65 × 439,606.91
  4. Step 4: Simplify right side
    1,399,190.07x = 922,801,576,824.80
  5. Step 5: Solve for x
    x = 922,801,576,824.80/1,399,190.07
  6. Step 6: Final answer
    x = 659,525.53

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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.