Home / 373,580.03-515,673.56-220,618.84

Finding the Fourth Proportional to 373,580.03, 515,673.56 and 220,618.84

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Solution

The fourth proportional to 373,580.03, 515,673.56 and 220,618.84 is: 304,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,580.03 : 515,673.56 = 220,618.84 : x
  2. Step 2: Convert to fraction form
    373,580.03/515,673.56 = 220,618.84/x
  3. Step 3: Cross multiply
    373,580.03x = 515,673.56 × 220,618.84
  4. Step 4: Simplify right side
    373,580.03x = 113,767,301,614.14
  5. Step 5: Solve for x
    x = 113,767,301,614.14/373,580.03
  6. Step 6: Final answer
    x = 304,532.61

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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.