Home / 1,330,665.70-1,993,702.20-619,234.60

Finding the Fourth Proportional to 1,330,665.70, 1,993,702.20 and 619,234.60

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Solution

The fourth proportional to 1,330,665.70, 1,993,702.20 and 619,234.60 is: 927,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,665.70 : 1,993,702.20 = 619,234.60 : x
  2. Step 2: Convert to fraction form
    1,330,665.70/1,993,702.20 = 619,234.60/x
  3. Step 3: Cross multiply
    1,330,665.70x = 1,993,702.20 × 619,234.60
  4. Step 4: Simplify right side
    1,330,665.70x = 1,234,569,384,336.12
  5. Step 5: Solve for x
    x = 1,234,569,384,336.12/1,330,665.70
  6. Step 6: Final answer
    x = 927,783.28

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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.