Home / 1,227,626.64-1,694,209.90-744,212.16

Finding the Fourth Proportional to 1,227,626.64, 1,694,209.90 and 744,212.16

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Solution

The fourth proportional to 1,227,626.64, 1,694,209.90 and 744,212.16 is: 1,027,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,626.64 : 1,694,209.90 = 744,212.16 : x
  2. Step 2: Convert to fraction form
    1,227,626.64/1,694,209.90 = 744,212.16/x
  3. Step 3: Cross multiply
    1,227,626.64x = 1,694,209.90 × 744,212.16
  4. Step 4: Simplify right side
    1,227,626.64x = 1,260,851,609,172.38
  5. Step 5: Solve for x
    x = 1,260,851,609,172.38/1,227,626.64
  6. Step 6: Final answer
    x = 1,027,064.39

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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.