Home / 1,857,330.30-2,785,776.57-509,629.18

Finding the Fourth Proportional to 1,857,330.30, 2,785,776.57 and 509,629.18

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Solution

The fourth proportional to 1,857,330.30, 2,785,776.57 and 509,629.18 is: 764,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,330.30 : 2,785,776.57 = 509,629.18 : x
  2. Step 2: Convert to fraction form
    1,857,330.30/2,785,776.57 = 509,629.18/x
  3. Step 3: Cross multiply
    1,857,330.30x = 2,785,776.57 × 509,629.18
  4. Step 4: Simplify right side
    1,857,330.30x = 1,419,713,029,032.31
  5. Step 5: Solve for x
    x = 1,419,713,029,032.31/1,857,330.30
  6. Step 6: Final answer
    x = 764,383.71

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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.