Home / 1,091,232.22-1,505,976.18-661,530.46

Finding the Fourth Proportional to 1,091,232.22, 1,505,976.18 and 661,530.46

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Solution

The fourth proportional to 1,091,232.22, 1,505,976.18 and 661,530.46 is: 912,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,232.22 : 1,505,976.18 = 661,530.46 : x
  2. Step 2: Convert to fraction form
    1,091,232.22/1,505,976.18 = 661,530.46/x
  3. Step 3: Cross multiply
    1,091,232.22x = 1,505,976.18 × 661,530.46
  4. Step 4: Simplify right side
    1,091,232.22x = 996,249,115,104.44
  5. Step 5: Solve for x
    x = 996,249,115,104.44/1,091,232.22
  6. Step 6: Final answer
    x = 912,957.94

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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.