Home / 526,077.43-789,108.86-492,455.95

Finding the Fourth Proportional to 526,077.43, 789,108.86 and 492,455.95

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Solution

The fourth proportional to 526,077.43, 789,108.86 and 492,455.95 is: 738,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,077.43 : 789,108.86 = 492,455.95 : x
  2. Step 2: Convert to fraction form
    526,077.43/789,108.86 = 492,455.95/x
  3. Step 3: Cross multiply
    526,077.43x = 789,108.86 × 492,455.95
  4. Step 4: Simplify right side
    526,077.43x = 388,601,350,842.44
  5. Step 5: Solve for x
    x = 388,601,350,842.44/526,077.43
  6. Step 6: Final answer
    x = 738,677.10

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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.