Home / 878,173.44-1,211,863.60-496,192.04

Finding the Fourth Proportional to 878,173.44, 1,211,863.60 and 496,192.04

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Solution

The fourth proportional to 878,173.44, 1,211,863.60 and 496,192.04 is: 684,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,173.44 : 1,211,863.60 = 496,192.04 : x
  2. Step 2: Convert to fraction form
    878,173.44/1,211,863.60 = 496,192.04/x
  3. Step 3: Cross multiply
    878,173.44x = 1,211,863.60 × 496,192.04
  4. Step 4: Simplify right side
    878,173.44x = 601,317,071,885.74
  5. Step 5: Solve for x
    x = 601,317,071,885.74/878,173.44
  6. Step 6: Final answer
    x = 684,736.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.