Home / 1,808,747.71-2,711,057.68-728,568.56

Finding the Fourth Proportional to 1,808,747.71, 2,711,057.68 and 728,568.56

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Solution

The fourth proportional to 1,808,747.71, 2,711,057.68 and 728,568.56 is: 1,092,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,747.71 : 2,711,057.68 = 728,568.56 : x
  2. Step 2: Convert to fraction form
    1,808,747.71/2,711,057.68 = 728,568.56/x
  3. Step 3: Cross multiply
    1,808,747.71x = 2,711,057.68 × 728,568.56
  4. Step 4: Simplify right side
    1,808,747.71x = 1,975,191,389,994.54
  5. Step 5: Solve for x
    x = 1,975,191,389,994.54/1,808,747.71
  6. Step 6: Final answer
    x = 1,092,021.50

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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.