Home / 529,939.72-794,910.02-130,580.54

Finding the Fourth Proportional to 529,939.72, 794,910.02 and 130,580.54

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Solution

The fourth proportional to 529,939.72, 794,910.02 and 130,580.54 is: 195,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,939.72 : 794,910.02 = 130,580.54 : x
  2. Step 2: Convert to fraction form
    529,939.72/794,910.02 = 130,580.54/x
  3. Step 3: Cross multiply
    529,939.72x = 794,910.02 × 130,580.54
  4. Step 4: Simplify right side
    529,939.72x = 103,799,775,035.56
  5. Step 5: Solve for x
    x = 103,799,775,035.56/529,939.72
  6. Step 6: Final answer
    x = 195,870.91

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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.