Home / 410,049.20-615,246.60-223,194.80

Finding the Fourth Proportional to 410,049.20, 615,246.60 and 223,194.80

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Solution

The fourth proportional to 410,049.20, 615,246.60 and 223,194.80 is: 334,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,049.20 : 615,246.60 = 223,194.80 : x
  2. Step 2: Convert to fraction form
    410,049.20/615,246.60 = 223,194.80/x
  3. Step 3: Cross multiply
    410,049.20x = 615,246.60 × 223,194.80
  4. Step 4: Simplify right side
    410,049.20x = 137,319,841,837.68
  5. Step 5: Solve for x
    x = 137,319,841,837.68/410,049.20
  6. Step 6: Final answer
    x = 334,886.26

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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.