Home / 1,100,515.52-1,518,066.36-691,969.88

Finding the Fourth Proportional to 1,100,515.52, 1,518,066.36 and 691,969.88

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Solution

The fourth proportional to 1,100,515.52, 1,518,066.36 and 691,969.88 is: 954,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,515.52 : 1,518,066.36 = 691,969.88 : x
  2. Step 2: Convert to fraction form
    1,100,515.52/1,518,066.36 = 691,969.88/x
  3. Step 3: Cross multiply
    1,100,515.52x = 1,518,066.36 × 691,969.88
  4. Step 4: Simplify right side
    1,100,515.52x = 1,050,456,196,961.24
  5. Step 5: Solve for x
    x = 1,050,456,196,961.24/1,100,515.52
  6. Step 6: Final answer
    x = 954,512.84

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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.