Home / 511,621.52-767,502.36-174,571.76

Finding the Fourth Proportional to 511,621.52, 767,502.36 and 174,571.76

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Solution

The fourth proportional to 511,621.52, 767,502.36 and 174,571.76 is: 261,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,621.52 : 767,502.36 = 174,571.76 : x
  2. Step 2: Convert to fraction form
    511,621.52/767,502.36 = 174,571.76/x
  3. Step 3: Cross multiply
    511,621.52x = 767,502.36 × 174,571.76
  4. Step 4: Simplify right side
    511,621.52x = 133,984,237,789.35
  5. Step 5: Solve for x
    x = 133,984,237,789.35/511,621.52
  6. Step 6: Final answer
    x = 261,881.55

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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.