Home / 1,519,385.92-2,278,237.56-621,458.28

Finding the Fourth Proportional to 1,519,385.92, 2,278,237.56 and 621,458.28

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Solution

The fourth proportional to 1,519,385.92, 2,278,237.56 and 621,458.28 is: 931,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,385.92 : 2,278,237.56 = 621,458.28 : x
  2. Step 2: Convert to fraction form
    1,519,385.92/2,278,237.56 = 621,458.28/x
  3. Step 3: Cross multiply
    1,519,385.92x = 2,278,237.56 × 621,458.28
  4. Step 4: Simplify right side
    1,519,385.92x = 1,415,829,595,469.00
  5. Step 5: Solve for x
    x = 1,415,829,595,469.00/1,519,385.92
  6. Step 6: Final answer
    x = 931,843.30

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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.