Home / 866,882.16-1,196,387.37-499,372.05

Finding the Fourth Proportional to 866,882.16, 1,196,387.37 and 499,372.05

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Solution

The fourth proportional to 866,882.16, 1,196,387.37 and 499,372.05 is: 689,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,882.16 : 1,196,387.37 = 499,372.05 : x
  2. Step 2: Convert to fraction form
    866,882.16/1,196,387.37 = 499,372.05/x
  3. Step 3: Cross multiply
    866,882.16x = 1,196,387.37 × 499,372.05
  4. Step 4: Simplify right side
    866,882.16x = 597,442,413,551.01
  5. Step 5: Solve for x
    x = 597,442,413,551.01/866,882.16
  6. Step 6: Final answer
    x = 689,185.27

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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.