Home / 851,699.96-1,274,892.66-627,313.76

Finding the Fourth Proportional to 851,699.96, 1,274,892.66 and 627,313.76

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Solution

The fourth proportional to 851,699.96, 1,274,892.66 and 627,313.76 is: 939,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,699.96 : 1,274,892.66 = 627,313.76 : x
  2. Step 2: Convert to fraction form
    851,699.96/1,274,892.66 = 627,313.76/x
  3. Step 3: Cross multiply
    851,699.96x = 1,274,892.66 × 627,313.76
  4. Step 4: Simplify right side
    851,699.96x = 799,757,708,141.00
  5. Step 5: Solve for x
    x = 799,757,708,141.00/851,699.96
  6. Step 6: Final answer
    x = 939,013.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.