Home / 1,196,751.28-1,651,508.93-680,505.21

Finding the Fourth Proportional to 1,196,751.28, 1,651,508.93 and 680,505.21

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Solution

The fourth proportional to 1,196,751.28, 1,651,508.93 and 680,505.21 is: 939,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,751.28 : 1,651,508.93 = 680,505.21 : x
  2. Step 2: Convert to fraction form
    1,196,751.28/1,651,508.93 = 680,505.21/x
  3. Step 3: Cross multiply
    1,196,751.28x = 1,651,508.93 × 680,505.21
  4. Step 4: Simplify right side
    1,196,751.28x = 1,123,860,431,226.53
  5. Step 5: Solve for x
    x = 1,123,860,431,226.53/1,196,751.28
  6. Step 6: Final answer
    x = 939,092.73

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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.