Home / 406,979.20-608,740.80-365,161.60

Finding the Fourth Proportional to 406,979.20, 608,740.80 and 365,161.60

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Solution

The fourth proportional to 406,979.20, 608,740.80 and 365,161.60 is: 546,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,979.20 : 608,740.80 = 365,161.60 : x
  2. Step 2: Convert to fraction form
    406,979.20/608,740.80 = 365,161.60/x
  3. Step 3: Cross multiply
    406,979.20x = 608,740.80 × 365,161.60
  4. Step 4: Simplify right side
    406,979.20x = 222,288,764,513.28
  5. Step 5: Solve for x
    x = 222,288,764,513.28/406,979.20
  6. Step 6: Final answer
    x = 546,191.95

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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.