Home / 785,183.20-1,083,276.87-513,410.18

Finding the Fourth Proportional to 785,183.20, 1,083,276.87 and 513,410.18

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Solution

The fourth proportional to 785,183.20, 1,083,276.87 and 513,410.18 is: 708,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,183.20 : 1,083,276.87 = 513,410.18 : x
  2. Step 2: Convert to fraction form
    785,183.20/1,083,276.87 = 513,410.18/x
  3. Step 3: Cross multiply
    785,183.20x = 1,083,276.87 × 513,410.18
  4. Step 4: Simplify right side
    785,183.20x = 556,165,365,474.86
  5. Step 5: Solve for x
    x = 556,165,365,474.86/785,183.20
  6. Step 6: Final answer
    x = 708,325.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.