Home / 683,816.80-1,026,567.60-431,096.80

Finding the Fourth Proportional to 683,816.80, 1,026,567.60 and 431,096.80

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Solution

The fourth proportional to 683,816.80, 1,026,567.60 and 431,096.80 is: 647,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,816.80 : 1,026,567.60 = 431,096.80 : x
  2. Step 2: Convert to fraction form
    683,816.80/1,026,567.60 = 431,096.80/x
  3. Step 3: Cross multiply
    683,816.80x = 1,026,567.60 × 431,096.80
  4. Step 4: Simplify right side
    683,816.80x = 442,550,007,343.68
  5. Step 5: Solve for x
    x = 442,550,007,343.68/683,816.80
  6. Step 6: Final answer
    x = 647,176.27

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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.