Home / 1,419,313.75-2,129,000.85-508,555.72

Finding the Fourth Proportional to 1,419,313.75, 2,129,000.85 and 508,555.72

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Solution

The fourth proportional to 1,419,313.75, 2,129,000.85 and 508,555.72 is: 762,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,313.75 : 2,129,000.85 = 508,555.72 : x
  2. Step 2: Convert to fraction form
    1,419,313.75/2,129,000.85 = 508,555.72/x
  3. Step 3: Cross multiply
    1,419,313.75x = 2,129,000.85 × 508,555.72
  4. Step 4: Simplify right side
    1,419,313.75x = 1,082,715,560,152.36
  5. Step 5: Solve for x
    x = 1,082,715,560,152.36/1,419,313.75
  6. Step 6: Final answer
    x = 762,844.41

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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.