Home / 1,324,613.03-1,987,215.75-483,164.78

Finding the Fourth Proportional to 1,324,613.03, 1,987,215.75 and 483,164.78

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Solution

The fourth proportional to 1,324,613.03, 1,987,215.75 and 483,164.78 is: 724,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,613.03 : 1,987,215.75 = 483,164.78 : x
  2. Step 2: Convert to fraction form
    1,324,613.03/1,987,215.75 = 483,164.78/x
  3. Step 3: Cross multiply
    1,324,613.03x = 1,987,215.75 × 483,164.78
  4. Step 4: Simplify right side
    1,324,613.03x = 960,152,650,725.21
  5. Step 5: Solve for x
    x = 960,152,650,725.21/1,324,613.03
  6. Step 6: Final answer
    x = 724,855.21

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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.