Home / 1,678,116.90-2,517,539.85-613,157.26

Finding the Fourth Proportional to 1,678,116.90, 2,517,539.85 and 613,157.26

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Solution

The fourth proportional to 1,678,116.90, 2,517,539.85 and 613,157.26 is: 919,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,116.90 : 2,517,539.85 = 613,157.26 : x
  2. Step 2: Convert to fraction form
    1,678,116.90/2,517,539.85 = 613,157.26/x
  3. Step 3: Cross multiply
    1,678,116.90x = 2,517,539.85 × 613,157.26
  4. Step 4: Simplify right side
    1,678,116.90x = 1,543,647,836,366.81
  5. Step 5: Solve for x
    x = 1,543,647,836,366.81/1,678,116.90
  6. Step 6: Final answer
    x = 919,869.07

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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.