Home / 735,252.80-1,102,879.20-419,741.60

Finding the Fourth Proportional to 735,252.80, 1,102,879.20 and 419,741.60

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Solution

The fourth proportional to 735,252.80, 1,102,879.20 and 419,741.60 is: 629,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,252.80 : 1,102,879.20 = 419,741.60 : x
  2. Step 2: Convert to fraction form
    735,252.80/1,102,879.20 = 419,741.60/x
  3. Step 3: Cross multiply
    735,252.80x = 1,102,879.20 × 419,741.60
  4. Step 4: Simplify right side
    735,252.80x = 462,924,280,014.72
  5. Step 5: Solve for x
    x = 462,924,280,014.72/735,252.80
  6. Step 6: Final answer
    x = 629,612.40

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1.5x scale

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.