Home / 1,022,399.61-1,410,892.59-557,257.51

Finding the Fourth Proportional to 1,022,399.61, 1,410,892.59 and 557,257.51

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Solution

The fourth proportional to 1,022,399.61, 1,410,892.59 and 557,257.51 is: 769,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,399.61 : 1,410,892.59 = 557,257.51 : x
  2. Step 2: Convert to fraction form
    1,022,399.61/1,410,892.59 = 557,257.51/x
  3. Step 3: Cross multiply
    1,022,399.61x = 1,410,892.59 × 557,257.51
  4. Step 4: Simplify right side
    1,022,399.61x = 786,230,491,580.85
  5. Step 5: Solve for x
    x = 786,230,491,580.85/1,022,399.61
  6. Step 6: Final answer
    x = 769,005.08

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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.