Home / 410,623.80-615,935.70-242,662.20

Finding the Fourth Proportional to 410,623.80, 615,935.70 and 242,662.20

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Solution

The fourth proportional to 410,623.80, 615,935.70 and 242,662.20 is: 363,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,623.80 : 615,935.70 = 242,662.20 : x
  2. Step 2: Convert to fraction form
    410,623.80/615,935.70 = 242,662.20/x
  3. Step 3: Cross multiply
    410,623.80x = 615,935.70 × 242,662.20
  4. Step 4: Simplify right side
    410,623.80x = 149,464,312,020.54
  5. Step 5: Solve for x
    x = 149,464,312,020.54/410,623.80
  6. Step 6: Final answer
    x = 363,993.30

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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.