Home / 866,973.38-1,196,396.12-479,765.43

Finding the Fourth Proportional to 866,973.38, 1,196,396.12 and 479,765.43

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Solution

The fourth proportional to 866,973.38, 1,196,396.12 and 479,765.43 is: 662,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,973.38 : 1,196,396.12 = 479,765.43 : x
  2. Step 2: Convert to fraction form
    866,973.38/1,196,396.12 = 479,765.43/x
  3. Step 3: Cross multiply
    866,973.38x = 1,196,396.12 × 479,765.43
  4. Step 4: Simplify right side
    866,973.38x = 573,989,500,161.55
  5. Step 5: Solve for x
    x = 573,989,500,161.55/866,973.38
  6. Step 6: Final answer
    x = 662,061.28

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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.