Home / 744,019.06-1,115,860.47-211,528.42

Finding the Fourth Proportional to 744,019.06, 1,115,860.47 and 211,528.42

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Solution

The fourth proportional to 744,019.06, 1,115,860.47 and 211,528.42 is: 317,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,019.06 : 1,115,860.47 = 211,528.42 : x
  2. Step 2: Convert to fraction form
    744,019.06/1,115,860.47 = 211,528.42/x
  3. Step 3: Cross multiply
    744,019.06x = 1,115,860.47 × 211,528.42
  4. Step 4: Simplify right side
    744,019.06x = 236,036,202,159.56
  5. Step 5: Solve for x
    x = 236,036,202,159.56/744,019.06
  6. Step 6: Final answer
    x = 317,244.83

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Double scale
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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.