Home / 703,522.81-1,056,696.38-419,767.12

Finding the Fourth Proportional to 703,522.81, 1,056,696.38 and 419,767.12

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Solution

The fourth proportional to 703,522.81, 1,056,696.38 and 419,767.12 is: 630,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,522.81 : 1,056,696.38 = 419,767.12 : x
  2. Step 2: Convert to fraction form
    703,522.81/1,056,696.38 = 419,767.12/x
  3. Step 3: Cross multiply
    703,522.81x = 1,056,696.38 × 419,767.12
  4. Step 4: Simplify right side
    703,522.81x = 443,566,396,147.03
  5. Step 5: Solve for x
    x = 443,566,396,147.03/703,522.81
  6. Step 6: Final answer
    x = 630,493.27

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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.