Home / 1,022,410.45-1,533,619.31-312,435.52

Finding the Fourth Proportional to 1,022,410.45, 1,533,619.31 and 312,435.52

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Solution

The fourth proportional to 1,022,410.45, 1,533,619.31 and 312,435.52 is: 468,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,410.45 : 1,533,619.31 = 312,435.52 : x
  2. Step 2: Convert to fraction form
    1,022,410.45/1,533,619.31 = 312,435.52/x
  3. Step 3: Cross multiply
    1,022,410.45x = 1,533,619.31 × 312,435.52
  4. Step 4: Simplify right side
    1,022,410.45x = 479,157,146,601.89
  5. Step 5: Solve for x
    x = 479,157,146,601.89/1,022,410.45
  6. Step 6: Final answer
    x = 468,654.39

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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.