Home / 1,031,046.78-1,422,853.44-572,192.31

Finding the Fourth Proportional to 1,031,046.78, 1,422,853.44 and 572,192.31

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Solution

The fourth proportional to 1,031,046.78, 1,422,853.44 and 572,192.31 is: 789,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,046.78 : 1,422,853.44 = 572,192.31 : x
  2. Step 2: Convert to fraction form
    1,031,046.78/1,422,853.44 = 572,192.31/x
  3. Step 3: Cross multiply
    1,031,046.78x = 1,422,853.44 × 572,192.31
  4. Step 4: Simplify right side
    1,031,046.78x = 814,145,796,625.05
  5. Step 5: Solve for x
    x = 814,145,796,625.05/1,031,046.78
  6. Step 6: Final answer
    x = 789,630.32

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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.