Home / 1,022,636.28-1,533,954.42-312,664.32

Finding the Fourth Proportional to 1,022,636.28, 1,533,954.42 and 312,664.32

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Solution

The fourth proportional to 1,022,636.28, 1,533,954.42 and 312,664.32 is: 468,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,636.28 : 1,533,954.42 = 312,664.32 : x
  2. Step 2: Convert to fraction form
    1,022,636.28/1,533,954.42 = 312,664.32/x
  3. Step 3: Cross multiply
    1,022,636.28x = 1,533,954.42 × 312,664.32
  4. Step 4: Simplify right side
    1,022,636.28x = 479,612,815,640.29
  5. Step 5: Solve for x
    x = 479,612,815,640.29/1,022,636.28
  6. Step 6: Final answer
    x = 468,996.48

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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.