Home / 725,790.12-1,001,533.62-403,480.59

Finding the Fourth Proportional to 725,790.12, 1,001,533.62 and 403,480.59

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Solution

The fourth proportional to 725,790.12, 1,001,533.62 and 403,480.59 is: 556,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,790.12 : 1,001,533.62 = 403,480.59 : x
  2. Step 2: Convert to fraction form
    725,790.12/1,001,533.62 = 403,480.59/x
  3. Step 3: Cross multiply
    725,790.12x = 1,001,533.62 × 403,480.59
  4. Step 4: Simplify right side
    725,790.12x = 404,099,375,902.44
  5. Step 5: Solve for x
    x = 404,099,375,902.44/725,790.12
  6. Step 6: Final answer
    x = 556,771.67

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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.