Home / 866,716.42-1,196,101.38-474,275.78

Finding the Fourth Proportional to 866,716.42, 1,196,101.38 and 474,275.78

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Solution

The fourth proportional to 866,716.42, 1,196,101.38 and 474,275.78 is: 654,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,716.42 : 1,196,101.38 = 474,275.78 : x
  2. Step 2: Convert to fraction form
    866,716.42/1,196,101.38 = 474,275.78/x
  3. Step 3: Cross multiply
    866,716.42x = 1,196,101.38 × 474,275.78
  4. Step 4: Simplify right side
    866,716.42x = 567,281,914,958.58
  5. Step 5: Solve for x
    x = 567,281,914,958.58/866,716.42
  6. Step 6: Final answer
    x = 654,518.48

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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.