Home / 950,804.95-1,311,698.46-628,964.20

Finding the Fourth Proportional to 950,804.95, 1,311,698.46 and 628,964.20

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Solution

The fourth proportional to 950,804.95, 1,311,698.46 and 628,964.20 is: 867,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,804.95 : 1,311,698.46 = 628,964.20 : x
  2. Step 2: Convert to fraction form
    950,804.95/1,311,698.46 = 628,964.20/x
  3. Step 3: Cross multiply
    950,804.95x = 1,311,698.46 × 628,964.20
  4. Step 4: Simplify right side
    950,804.95x = 825,011,372,535.13
  5. Step 5: Solve for x
    x = 825,011,372,535.13/950,804.95
  6. Step 6: Final answer
    x = 867,697.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.