Home / 1,399,185.19-2,097,711.17-439,087.03

Finding the Fourth Proportional to 1,399,185.19, 2,097,711.17 and 439,087.03

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Solution

The fourth proportional to 1,399,185.19, 2,097,711.17 and 439,087.03 is: 658,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,185.19 : 2,097,711.17 = 439,087.03 : x
  2. Step 2: Convert to fraction form
    1,399,185.19/2,097,711.17 = 439,087.03/x
  3. Step 3: Cross multiply
    1,399,185.19x = 2,097,711.17 × 439,087.03
  4. Step 4: Simplify right side
    1,399,185.19x = 921,077,761,639.99
  5. Step 5: Solve for x
    x = 921,077,761,639.99/1,399,185.19
  6. Step 6: Final answer
    x = 658,295.82

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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.