Home / 681,116.80-1,021,675.20-574,828.60

Finding the Fourth Proportional to 681,116.80, 1,021,675.20 and 574,828.60

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Solution

The fourth proportional to 681,116.80, 1,021,675.20 and 574,828.60 is: 862,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,116.80 : 1,021,675.20 = 574,828.60 : x
  2. Step 2: Convert to fraction form
    681,116.80/1,021,675.20 = 574,828.60/x
  3. Step 3: Cross multiply
    681,116.80x = 1,021,675.20 × 574,828.60
  4. Step 4: Simplify right side
    681,116.80x = 587,288,124,870.72
  5. Step 5: Solve for x
    x = 587,288,124,870.72/681,116.80
  6. Step 6: Final answer
    x = 862,242.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.