Home / 764,110.80-1,146,166.20-657,822.60

Finding the Fourth Proportional to 764,110.80, 1,146,166.20 and 657,822.60

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Solution

The fourth proportional to 764,110.80, 1,146,166.20 and 657,822.60 is: 986,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,110.80 : 1,146,166.20 = 657,822.60 : x
  2. Step 2: Convert to fraction form
    764,110.80/1,146,166.20 = 657,822.60/x
  3. Step 3: Cross multiply
    764,110.80x = 1,146,166.20 × 657,822.60
  4. Step 4: Simplify right side
    764,110.80x = 753,974,029,716.12
  5. Step 5: Solve for x
    x = 753,974,029,716.12/764,110.80
  6. Step 6: Final answer
    x = 986,733.90

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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.