Home / 938,121.89-1,294,609.32-508,402.04

Finding the Fourth Proportional to 938,121.89, 1,294,609.32 and 508,402.04

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Solution

The fourth proportional to 938,121.89, 1,294,609.32 and 508,402.04 is: 701,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,121.89 : 1,294,609.32 = 508,402.04 : x
  2. Step 2: Convert to fraction form
    938,121.89/1,294,609.32 = 508,402.04/x
  3. Step 3: Cross multiply
    938,121.89x = 1,294,609.32 × 508,402.04
  4. Step 4: Simplify right side
    938,121.89x = 658,182,012,817.97
  5. Step 5: Solve for x
    x = 658,182,012,817.97/938,121.89
  6. Step 6: Final answer
    x = 701,595.41

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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.