Home / 1,091,216.22-1,505,954.07-661,514.46

Finding the Fourth Proportional to 1,091,216.22, 1,505,954.07 and 661,514.46

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Solution

The fourth proportional to 1,091,216.22, 1,505,954.07 and 661,514.46 is: 912,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,216.22 : 1,505,954.07 = 661,514.46 : x
  2. Step 2: Convert to fraction form
    1,091,216.22/1,505,954.07 = 661,514.46/x
  3. Step 3: Cross multiply
    1,091,216.22x = 1,505,954.07 × 661,514.46
  4. Step 4: Simplify right side
    1,091,216.22x = 996,210,393,400.85
  5. Step 5: Solve for x
    x = 996,210,393,400.85/1,091,216.22
  6. Step 6: Final answer
    x = 912,935.84

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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.