Home / 1,173,786.32-1,760,796.12-425,890.64

Finding the Fourth Proportional to 1,173,786.32, 1,760,796.12 and 425,890.64

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Solution

The fourth proportional to 1,173,786.32, 1,760,796.12 and 425,890.64 is: 638,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,786.32 : 1,760,796.12 = 425,890.64 : x
  2. Step 2: Convert to fraction form
    1,173,786.32/1,760,796.12 = 425,890.64/x
  3. Step 3: Cross multiply
    1,173,786.32x = 1,760,796.12 × 425,890.64
  4. Step 4: Simplify right side
    1,173,786.32x = 749,906,586,456.32
  5. Step 5: Solve for x
    x = 749,906,586,456.32/1,173,786.32
  6. Step 6: Final answer
    x = 638,878.28

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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.