Home / 410,631.39-562,555.46-395,280.20

Finding the Fourth Proportional to 410,631.39, 562,555.46 and 395,280.20

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Solution

The fourth proportional to 410,631.39, 562,555.46 and 395,280.20 is: 541,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,631.39 : 562,555.46 = 395,280.20 : x
  2. Step 2: Convert to fraction form
    410,631.39/562,555.46 = 395,280.20/x
  3. Step 3: Cross multiply
    410,631.39x = 562,555.46 × 395,280.20
  4. Step 4: Simplify right side
    410,631.39x = 222,367,037,134.48
  5. Step 5: Solve for x
    x = 222,367,037,134.48/410,631.39
  6. Step 6: Final answer
    x = 541,524.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.