Home / 976,414.47-1,346,773.82-830,847.75

Finding the Fourth Proportional to 976,414.47, 1,346,773.82 and 830,847.75

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Solution

The fourth proportional to 976,414.47, 1,346,773.82 and 830,847.75 is: 1,145,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,414.47 : 1,346,773.82 = 830,847.75 : x
  2. Step 2: Convert to fraction form
    976,414.47/1,346,773.82 = 830,847.75/x
  3. Step 3: Cross multiply
    976,414.47x = 1,346,773.82 × 830,847.75
  4. Step 4: Simplify right side
    976,414.47x = 1,118,963,993,951.67
  5. Step 5: Solve for x
    x = 1,118,963,993,951.67/976,414.47
  6. Step 6: Final answer
    x = 1,145,992.84

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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.