Home / 778,527.40-1,167,791.10-652,556.20

Finding the Fourth Proportional to 778,527.40, 1,167,791.10 and 652,556.20

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Solution

The fourth proportional to 778,527.40, 1,167,791.10 and 652,556.20 is: 978,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,527.40 : 1,167,791.10 = 652,556.20 : x
  2. Step 2: Convert to fraction form
    778,527.40/1,167,791.10 = 652,556.20/x
  3. Step 3: Cross multiply
    778,527.40x = 1,167,791.10 × 652,556.20
  4. Step 4: Simplify right side
    778,527.40x = 762,049,322,609.82
  5. Step 5: Solve for x
    x = 762,049,322,609.82/778,527.40
  6. Step 6: Final answer
    x = 978,834.30

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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.