Home / 728,788.88-1,092,833.40-413,161.04

Finding the Fourth Proportional to 728,788.88, 1,092,833.40 and 413,161.04

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Solution

The fourth proportional to 728,788.88, 1,092,833.40 and 413,161.04 is: 619,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,788.88 : 1,092,833.40 = 413,161.04 : x
  2. Step 2: Convert to fraction form
    728,788.88/1,092,833.40 = 413,161.04/x
  3. Step 3: Cross multiply
    728,788.88x = 1,092,833.40 × 413,161.04
  4. Step 4: Simplify right side
    728,788.88x = 451,516,184,090.74
  5. Step 5: Solve for x
    x = 451,516,184,090.74/728,788.88
  6. Step 6: Final answer
    x = 619,543.19

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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.