Home / 1,205,308.36-1,662,697.56-714,992.68

Finding the Fourth Proportional to 1,205,308.36, 1,662,697.56 and 714,992.68

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Solution

The fourth proportional to 1,205,308.36, 1,662,697.56 and 714,992.68 is: 986,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,308.36 : 1,662,697.56 = 714,992.68 : x
  2. Step 2: Convert to fraction form
    1,205,308.36/1,662,697.56 = 714,992.68/x
  3. Step 3: Cross multiply
    1,205,308.36x = 1,662,697.56 × 714,992.68
  4. Step 4: Simplify right side
    1,205,308.36x = 1,188,816,584,453.86
  5. Step 5: Solve for x
    x = 1,188,816,584,453.86/1,205,308.36
  6. Step 6: Final answer
    x = 986,317.38

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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.