Home / 2,783,143.40-4,174,277.70-985,769.60

Finding the Fourth Proportional to 2,783,143.40, 4,174,277.70 and 985,769.60

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Solution

The fourth proportional to 2,783,143.40, 4,174,277.70 and 985,769.60 is: 1,478,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,143.40 : 4,174,277.70 = 985,769.60 : x
  2. Step 2: Convert to fraction form
    2,783,143.40/4,174,277.70 = 985,769.60/x
  3. Step 3: Cross multiply
    2,783,143.40x = 4,174,277.70 × 985,769.60
  4. Step 4: Simplify right side
    2,783,143.40x = 4,114,876,058,617.92
  5. Step 5: Solve for x
    x = 4,114,876,058,617.92/2,783,143.40
  6. Step 6: Final answer
    x = 1,478,499.48

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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.