Home / 1,241,499.75-1,861,245.12-388,132.35

Finding the Fourth Proportional to 1,241,499.75, 1,861,245.12 and 388,132.35

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Solution

The fourth proportional to 1,241,499.75, 1,861,245.12 and 388,132.35 is: 581,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,499.75 : 1,861,245.12 = 388,132.35 : x
  2. Step 2: Convert to fraction form
    1,241,499.75/1,861,245.12 = 388,132.35/x
  3. Step 3: Cross multiply
    1,241,499.75x = 1,861,245.12 × 388,132.35
  4. Step 4: Simplify right side
    1,241,499.75x = 722,409,437,698.52
  5. Step 5: Solve for x
    x = 722,409,437,698.52/1,241,499.75
  6. Step 6: Final answer
    x = 581,884.48

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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.