Home / 1,086,332.20-1,629,496.86-612,802.60

Finding the Fourth Proportional to 1,086,332.20, 1,629,496.86 and 612,802.60

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Solution

The fourth proportional to 1,086,332.20, 1,629,496.86 and 612,802.60 is: 919,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,332.20 : 1,629,496.86 = 612,802.60 : x
  2. Step 2: Convert to fraction form
    1,086,332.20/1,629,496.86 = 612,802.60/x
  3. Step 3: Cross multiply
    1,086,332.20x = 1,629,496.86 × 612,802.60
  4. Step 4: Simplify right side
    1,086,332.20x = 998,559,912,499.84
  5. Step 5: Solve for x
    x = 998,559,912,499.84/1,086,332.20
  6. Step 6: Final answer
    x = 919,203.09

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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.