Home / 1,205,309.36-1,662,698.94-714,993.68

Finding the Fourth Proportional to 1,205,309.36, 1,662,698.94 and 714,993.68

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Solution

The fourth proportional to 1,205,309.36, 1,662,698.94 and 714,993.68 is: 986,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,309.36 : 1,662,698.94 = 714,993.68 : x
  2. Step 2: Convert to fraction form
    1,205,309.36/1,662,698.94 = 714,993.68/x
  3. Step 3: Cross multiply
    1,205,309.36x = 1,662,698.94 × 714,993.68
  4. Step 4: Simplify right side
    1,205,309.36x = 1,188,819,233,842.70
  5. Step 5: Solve for x
    x = 1,188,819,233,842.70/1,205,309.36
  6. Step 6: Final answer
    x = 986,318.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.