Home / 782,860.68-1,173,921.12-303,313.14

Finding the Fourth Proportional to 782,860.68, 1,173,921.12 and 303,313.14

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Solution

The fourth proportional to 782,860.68, 1,173,921.12 and 303,313.14 is: 454,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,860.68 : 1,173,921.12 = 303,313.14 : x
  2. Step 2: Convert to fraction form
    782,860.68/1,173,921.12 = 303,313.14/x
  3. Step 3: Cross multiply
    782,860.68x = 1,173,921.12 × 303,313.14
  4. Step 4: Simplify right side
    782,860.68x = 356,065,701,019.52
  5. Step 5: Solve for x
    x = 356,065,701,019.52/782,860.68
  6. Step 6: Final answer
    x = 454,826.40

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