Home / 995,728.86-1,493,101.77-434,520.54

Finding the Fourth Proportional to 995,728.86, 1,493,101.77 and 434,520.54

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Solution

The fourth proportional to 995,728.86, 1,493,101.77 and 434,520.54 is: 651,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,728.86 : 1,493,101.77 = 434,520.54 : x
  2. Step 2: Convert to fraction form
    995,728.86/1,493,101.77 = 434,520.54/x
  3. Step 3: Cross multiply
    995,728.86x = 1,493,101.77 × 434,520.54
  4. Step 4: Simplify right side
    995,728.86x = 648,783,387,375.36
  5. Step 5: Solve for x
    x = 648,783,387,375.36/995,728.86
  6. Step 6: Final answer
    x = 651,566.32

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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.