Home / 711,416.87-1,067,046.68-178,938.11

Finding the Fourth Proportional to 711,416.87, 1,067,046.68 and 178,938.11

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Solution

The fourth proportional to 711,416.87, 1,067,046.68 and 178,938.11 is: 268,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,416.87 : 1,067,046.68 = 178,938.11 : x
  2. Step 2: Convert to fraction form
    711,416.87/1,067,046.68 = 178,938.11/x
  3. Step 3: Cross multiply
    711,416.87x = 1,067,046.68 × 178,938.11
  4. Step 4: Simplify right side
    711,416.87x = 190,935,309,971.05
  5. Step 5: Solve for x
    x = 190,935,309,971.05/711,416.87
  6. Step 6: Final answer
    x = 268,387.38

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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.