Home / 728,733.88-1,092,750.54-413,106.04

Finding the Fourth Proportional to 728,733.88, 1,092,750.54 and 413,106.04

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Solution

The fourth proportional to 728,733.88, 1,092,750.54 and 413,106.04 is: 619,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,733.88 : 1,092,750.54 = 413,106.04 : x
  2. Step 2: Convert to fraction form
    728,733.88/1,092,750.54 = 413,106.04/x
  3. Step 3: Cross multiply
    728,733.88x = 1,092,750.54 × 413,106.04
  4. Step 4: Simplify right side
    728,733.88x = 451,421,848,287.26
  5. Step 5: Solve for x
    x = 451,421,848,287.26/728,733.88
  6. Step 6: Final answer
    x = 619,460.49

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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.