Home / 774,825.23-1,160,304.90-489,655.46

Finding the Fourth Proportional to 774,825.23, 1,160,304.90 and 489,655.46

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Solution

The fourth proportional to 774,825.23, 1,160,304.90 and 489,655.46 is: 733,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,825.23 : 1,160,304.90 = 489,655.46 : x
  2. Step 2: Convert to fraction form
    774,825.23/1,160,304.90 = 489,655.46/x
  3. Step 3: Cross multiply
    774,825.23x = 1,160,304.90 × 489,655.46
  4. Step 4: Simplify right side
    774,825.23x = 568,149,632,450.52
  5. Step 5: Solve for x
    x = 568,149,632,450.52/774,825.23
  6. Step 6: Final answer
    x = 733,261.66

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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.