Home / 729,129.20-1,093,693.80-462,023.60

Finding the Fourth Proportional to 729,129.20, 1,093,693.80 and 462,023.60

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Solution

The fourth proportional to 729,129.20, 1,093,693.80 and 462,023.60 is: 693,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,129.20 : 1,093,693.80 = 462,023.60 : x
  2. Step 2: Convert to fraction form
    729,129.20/1,093,693.80 = 462,023.60/x
  3. Step 3: Cross multiply
    729,129.20x = 1,093,693.80 × 462,023.60
  4. Step 4: Simplify right side
    729,129.20x = 505,312,346,773.68
  5. Step 5: Solve for x
    x = 505,312,346,773.68/729,129.20
  6. Step 6: Final answer
    x = 693,035.40

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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.