Home / 3,160,875.62-4,741,325.73-764,716.40

Finding the Fourth Proportional to 3,160,875.62, 4,741,325.73 and 764,716.40

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Solution

The fourth proportional to 3,160,875.62, 4,741,325.73 and 764,716.40 is: 1,147,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,875.62 : 4,741,325.73 = 764,716.40 : x
  2. Step 2: Convert to fraction form
    3,160,875.62/4,741,325.73 = 764,716.40/x
  3. Step 3: Cross multiply
    3,160,875.62x = 4,741,325.73 × 764,716.40
  4. Step 4: Simplify right side
    3,160,875.62x = 3,625,769,543,472.97
  5. Step 5: Solve for x
    x = 3,625,769,543,472.97/3,160,875.62
  6. Step 6: Final answer
    x = 1,147,077.58

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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.