Home / 1,707,318.80-2,561,107.80-509,147.60

Finding the Fourth Proportional to 1,707,318.80, 2,561,107.80 and 509,147.60

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Solution

The fourth proportional to 1,707,318.80, 2,561,107.80 and 509,147.60 is: 763,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,318.80 : 2,561,107.80 = 509,147.60 : x
  2. Step 2: Convert to fraction form
    1,707,318.80/2,561,107.80 = 509,147.60/x
  3. Step 3: Cross multiply
    1,707,318.80x = 2,561,107.80 × 509,147.60
  4. Step 4: Simplify right side
    1,707,318.80x = 1,303,981,889,711.28
  5. Step 5: Solve for x
    x = 1,303,981,889,711.28/1,707,318.80
  6. Step 6: Final answer
    x = 763,760.05

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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.