Home / 878,217.52-1,211,924.46-496,236.12

Finding the Fourth Proportional to 878,217.52, 1,211,924.46 and 496,236.12

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Solution

The fourth proportional to 878,217.52, 1,211,924.46 and 496,236.12 is: 684,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,217.52 : 1,211,924.46 = 496,236.12 : x
  2. Step 2: Convert to fraction form
    878,217.52/1,211,924.46 = 496,236.12/x
  3. Step 3: Cross multiply
    878,217.52x = 1,211,924.46 × 496,236.12
  4. Step 4: Simplify right side
    878,217.52x = 601,400,691,763.50
  5. Step 5: Solve for x
    x = 601,400,691,763.50/878,217.52
  6. Step 6: Final answer
    x = 684,796.96

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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.