Home / 656,538.28-984,413.45-256,702.43

Finding the Fourth Proportional to 656,538.28, 984,413.45 and 256,702.43

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Solution

The fourth proportional to 656,538.28, 984,413.45 and 256,702.43 is: 384,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,538.28 : 984,413.45 = 256,702.43 : x
  2. Step 2: Convert to fraction form
    656,538.28/984,413.45 = 256,702.43/x
  3. Step 3: Cross multiply
    656,538.28x = 984,413.45 × 256,702.43
  4. Step 4: Simplify right side
    656,538.28x = 252,701,327,842.47
  5. Step 5: Solve for x
    x = 252,701,327,842.47/656,538.28
  6. Step 6: Final answer
    x = 384,899.61

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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.