Home / 853,479.20-1,177,792.44-471,481.04

Finding the Fourth Proportional to 853,479.20, 1,177,792.44 and 471,481.04

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Solution

The fourth proportional to 853,479.20, 1,177,792.44 and 471,481.04 is: 650,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,479.20 : 1,177,792.44 = 471,481.04 : x
  2. Step 2: Convert to fraction form
    853,479.20/1,177,792.44 = 471,481.04/x
  3. Step 3: Cross multiply
    853,479.20x = 1,177,792.44 × 471,481.04
  4. Step 4: Simplify right side
    853,479.20x = 555,306,804,515.34
  5. Step 5: Solve for x
    x = 555,306,804,515.34/853,479.20
  6. Step 6: Final answer
    x = 650,638.94

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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.