Home / 984,536.78-1,358,661.60-531,827.78

Finding the Fourth Proportional to 984,536.78, 1,358,661.60 and 531,827.78

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Solution

The fourth proportional to 984,536.78, 1,358,661.60 and 531,827.78 is: 733,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,536.78 : 1,358,661.60 = 531,827.78 : x
  2. Step 2: Convert to fraction form
    984,536.78/1,358,661.60 = 531,827.78/x
  3. Step 3: Cross multiply
    984,536.78x = 1,358,661.60 × 531,827.78
  4. Step 4: Simplify right side
    984,536.78x = 722,573,975,705.94
  5. Step 5: Solve for x
    x = 722,573,975,705.94/984,536.78
  6. Step 6: Final answer
    x = 733,922.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.