Home / 1,022,772.19-1,533,912.26-312,806.38

Finding the Fourth Proportional to 1,022,772.19, 1,533,912.26 and 312,806.38

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Solution

The fourth proportional to 1,022,772.19, 1,533,912.26 and 312,806.38 is: 469,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,772.19 : 1,533,912.26 = 312,806.38 : x
  2. Step 2: Convert to fraction form
    1,022,772.19/1,533,912.26 = 312,806.38/x
  3. Step 3: Cross multiply
    1,022,772.19x = 1,533,912.26 × 312,806.38
  4. Step 4: Simplify right side
    1,022,772.19x = 479,817,539,724.19
  5. Step 5: Solve for x
    x = 479,817,539,724.19/1,022,772.19
  6. Step 6: Final answer
    x = 469,134.32

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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.