Home / 786,083.30-1,084,735.28-441,864.48

Finding the Fourth Proportional to 786,083.30, 1,084,735.28 and 441,864.48

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Solution

The fourth proportional to 786,083.30, 1,084,735.28 and 441,864.48 is: 609,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,083.30 : 1,084,735.28 = 441,864.48 : x
  2. Step 2: Convert to fraction form
    786,083.30/1,084,735.28 = 441,864.48/x
  3. Step 3: Cross multiply
    786,083.30x = 1,084,735.28 × 441,864.48
  4. Step 4: Simplify right side
    786,083.30x = 479,305,988,225.53
  5. Step 5: Solve for x
    x = 479,305,988,225.53/786,083.30
  6. Step 6: Final answer
    x = 609,739.44

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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.