Home / 866,863.27-1,196,361.36-499,353.11

Finding the Fourth Proportional to 866,863.27, 1,196,361.36 and 499,353.11

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Solution

The fourth proportional to 866,863.27, 1,196,361.36 and 499,353.11 is: 689,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,863.27 : 1,196,361.36 = 499,353.11 : x
  2. Step 2: Convert to fraction form
    866,863.27/1,196,361.36 = 499,353.11/x
  3. Step 3: Cross multiply
    866,863.27x = 1,196,361.36 × 499,353.11
  4. Step 4: Simplify right side
    866,863.27x = 597,406,765,799.83
  5. Step 5: Solve for x
    x = 597,406,765,799.83/866,863.27
  6. Step 6: Final answer
    x = 689,159.16

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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.