Home / 1,241,150.96-1,861,689.39-342,647.53

Finding the Fourth Proportional to 1,241,150.96, 1,861,689.39 and 342,647.53

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Solution

The fourth proportional to 1,241,150.96, 1,861,689.39 and 342,647.53 is: 513,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,150.96 : 1,861,689.39 = 342,647.53 : x
  2. Step 2: Convert to fraction form
    1,241,150.96/1,861,689.39 = 342,647.53/x
  3. Step 3: Cross multiply
    1,241,150.96x = 1,861,689.39 × 342,647.53
  4. Step 4: Simplify right side
    1,241,150.96x = 637,903,265,171.56
  5. Step 5: Solve for x
    x = 637,903,265,171.56/1,241,150.96
  6. Step 6: Final answer
    x = 513,961.06

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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.