Home / 853,167.42-1,177,361.19-465,980.94

Finding the Fourth Proportional to 853,167.42, 1,177,361.19 and 465,980.94

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Solution

The fourth proportional to 853,167.42, 1,177,361.19 and 465,980.94 is: 643,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,167.42 : 1,177,361.19 = 465,980.94 : x
  2. Step 2: Convert to fraction form
    853,167.42/1,177,361.19 = 465,980.94/x
  3. Step 3: Cross multiply
    853,167.42x = 1,177,361.19 × 465,980.94
  4. Step 4: Simplify right side
    853,167.42x = 548,627,874,035.72
  5. Step 5: Solve for x
    x = 548,627,874,035.72/853,167.42
  6. Step 6: Final answer
    x = 643,048.32

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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.