Home / 1,255,891.20-1,883,836.80-414,333.60

Finding the Fourth Proportional to 1,255,891.20, 1,883,836.80 and 414,333.60

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Solution

The fourth proportional to 1,255,891.20, 1,883,836.80 and 414,333.60 is: 621,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,891.20 : 1,883,836.80 = 414,333.60 : x
  2. Step 2: Convert to fraction form
    1,255,891.20/1,883,836.80 = 414,333.60/x
  3. Step 3: Cross multiply
    1,255,891.20x = 1,883,836.80 × 414,333.60
  4. Step 4: Simplify right side
    1,255,891.20x = 780,536,883,156.48
  5. Step 5: Solve for x
    x = 780,536,883,156.48/1,255,891.20
  6. Step 6: Final answer
    x = 621,500.40

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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.