Home / 1,330,436.70-1,993,358.70-619,005.60

Finding the Fourth Proportional to 1,330,436.70, 1,993,358.70 and 619,005.60

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Solution

The fourth proportional to 1,330,436.70, 1,993,358.70 and 619,005.60 is: 927,439.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,436.70 : 1,993,358.70 = 619,005.60 : x
  2. Step 2: Convert to fraction form
    1,330,436.70/1,993,358.70 = 619,005.60/x
  3. Step 3: Cross multiply
    1,330,436.70x = 1,993,358.70 × 619,005.60
  4. Step 4: Simplify right side
    1,330,436.70x = 1,233,900,198,108.72
  5. Step 5: Solve for x
    x = 1,233,900,198,108.72/1,330,436.70
  6. Step 6: Final answer
    x = 927,439.99

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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.