Home / 823,975.60-1,235,963.40-647,028.40

Finding the Fourth Proportional to 823,975.60, 1,235,963.40 and 647,028.40

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Solution

The fourth proportional to 823,975.60, 1,235,963.40 and 647,028.40 is: 970,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,975.60 : 1,235,963.40 = 647,028.40 : x
  2. Step 2: Convert to fraction form
    823,975.60/1,235,963.40 = 647,028.40/x
  3. Step 3: Cross multiply
    823,975.60x = 1,235,963.40 × 647,028.40
  4. Step 4: Simplify right side
    823,975.60x = 799,703,421,160.56
  5. Step 5: Solve for x
    x = 799,703,421,160.56/823,975.60
  6. Step 6: Final answer
    x = 970,542.60

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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.