Home / 1,197,028-1,651,933.28-660,518.56

Finding the Fourth Proportional to 1,197,028, 1,651,933.28 and 660,518.56

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Solution

The fourth proportional to 1,197,028, 1,651,933.28 and 660,518.56 is: 911,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,028 : 1,651,933.28 = 660,518.56 : x
  2. Step 2: Convert to fraction form
    1,197,028/1,651,933.28 = 660,518.56/x
  3. Step 3: Cross multiply
    1,197,028x = 1,651,933.28 × 660,518.56
  4. Step 4: Simplify right side
    1,197,028x = 1,091,132,591,321.68
  5. Step 5: Solve for x
    x = 1,091,132,591,321.68/1,197,028
  6. Step 6: Final answer
    x = 911,534.73

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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.