Home / 1,241,202.80-1,861,804.30-399,754.55

Finding the Fourth Proportional to 1,241,202.80, 1,861,804.30 and 399,754.55

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Solution

The fourth proportional to 1,241,202.80, 1,861,804.30 and 399,754.55 is: 599,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,202.80 : 1,861,804.30 = 399,754.55 : x
  2. Step 2: Convert to fraction form
    1,241,202.80/1,861,804.30 = 399,754.55/x
  3. Step 3: Cross multiply
    1,241,202.80x = 1,861,804.30 × 399,754.55
  4. Step 4: Simplify right side
    1,241,202.80x = 744,264,734,066.58
  5. Step 5: Solve for x
    x = 744,264,734,066.58/1,241,202.80
  6. Step 6: Final answer
    x = 599,631.85

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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.