Home / 1,857,329.80-2,785,775.82-509,628.68

Finding the Fourth Proportional to 1,857,329.80, 2,785,775.82 and 509,628.68

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Solution

The fourth proportional to 1,857,329.80, 2,785,775.82 and 509,628.68 is: 764,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,329.80 : 2,785,775.82 = 509,628.68 : x
  2. Step 2: Convert to fraction form
    1,857,329.80/2,785,775.82 = 509,628.68/x
  3. Step 3: Cross multiply
    1,857,329.80x = 2,785,775.82 × 509,628.68
  4. Step 4: Simplify right side
    1,857,329.80x = 1,419,711,253,922.52
  5. Step 5: Solve for x
    x = 1,419,711,253,922.52/1,857,329.80
  6. Step 6: Final answer
    x = 764,382.96

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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.