Home / 498,766.45-747,657.60-245,839.90

Finding the Fourth Proportional to 498,766.45, 747,657.60 and 245,839.90

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Solution

The fourth proportional to 498,766.45, 747,657.60 and 245,839.90 is: 368,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,766.45 : 747,657.60 = 245,839.90 : x
  2. Step 2: Convert to fraction form
    498,766.45/747,657.60 = 245,839.90/x
  3. Step 3: Cross multiply
    498,766.45x = 747,657.60 × 245,839.90
  4. Step 4: Simplify right side
    498,766.45x = 183,804,069,618.24
  5. Step 5: Solve for x
    x = 183,804,069,618.24/498,766.45
  6. Step 6: Final answer
    x = 368,517.31

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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.