Home / 1,077,405.70-1,616,108.55-628,633.30

Finding the Fourth Proportional to 1,077,405.70, 1,616,108.55 and 628,633.30

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Solution

The fourth proportional to 1,077,405.70, 1,616,108.55 and 628,633.30 is: 942,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,405.70 : 1,616,108.55 = 628,633.30 : x
  2. Step 2: Convert to fraction form
    1,077,405.70/1,616,108.55 = 628,633.30/x
  3. Step 3: Cross multiply
    1,077,405.70x = 1,616,108.55 × 628,633.30
  4. Step 4: Simplify right side
    1,077,405.70x = 1,015,939,650,944.72
  5. Step 5: Solve for x
    x = 1,015,939,650,944.72/1,077,405.70
  6. Step 6: Final answer
    x = 942,949.95

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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.