Home / 743,537.25-1,026,087.63-404,005.50

Finding the Fourth Proportional to 743,537.25, 1,026,087.63 and 404,005.50

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Solution

The fourth proportional to 743,537.25, 1,026,087.63 and 404,005.50 is: 557,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,537.25 : 1,026,087.63 = 404,005.50 : x
  2. Step 2: Convert to fraction form
    743,537.25/1,026,087.63 = 404,005.50/x
  3. Step 3: Cross multiply
    743,537.25x = 1,026,087.63 × 404,005.50
  4. Step 4: Simplify right side
    743,537.25x = 414,545,046,001.97
  5. Step 5: Solve for x
    x = 414,545,046,001.97/743,537.25
  6. Step 6: Final answer
    x = 557,530.97

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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.