Home / 810,892.96-1,118,999.28-448,293.76

Finding the Fourth Proportional to 810,892.96, 1,118,999.28 and 448,293.76

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Solution

The fourth proportional to 810,892.96, 1,118,999.28 and 448,293.76 is: 618,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,892.96 : 1,118,999.28 = 448,293.76 : x
  2. Step 2: Convert to fraction form
    810,892.96/1,118,999.28 = 448,293.76/x
  3. Step 3: Cross multiply
    810,892.96x = 1,118,999.28 × 448,293.76
  4. Step 4: Simplify right side
    810,892.96x = 501,640,394,668.49
  5. Step 5: Solve for x
    x = 501,640,394,668.49/810,892.96
  6. Step 6: Final answer
    x = 618,627.14

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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.