Home / 673,107.39-1,007,872.60-406,507.23

Finding the Fourth Proportional to 673,107.39, 1,007,872.60 and 406,507.23

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Solution

The fourth proportional to 673,107.39, 1,007,872.60 and 406,507.23 is: 608,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,107.39 : 1,007,872.60 = 406,507.23 : x
  2. Step 2: Convert to fraction form
    673,107.39/1,007,872.60 = 406,507.23/x
  3. Step 3: Cross multiply
    673,107.39x = 1,007,872.60 × 406,507.23
  4. Step 4: Simplify right side
    673,107.39x = 409,707,498,818.90
  5. Step 5: Solve for x
    x = 409,707,498,818.90/673,107.39
  6. Step 6: Final answer
    x = 608,680.73

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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.