Home / 529,077.60-794,134.80-263,138.40

Finding the Fourth Proportional to 529,077.60, 794,134.80 and 263,138.40

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Solution

The fourth proportional to 529,077.60, 794,134.80 and 263,138.40 is: 394,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,077.60 : 794,134.80 = 263,138.40 : x
  2. Step 2: Convert to fraction form
    529,077.60/794,134.80 = 263,138.40/x
  3. Step 3: Cross multiply
    529,077.60x = 794,134.80 × 263,138.40
  4. Step 4: Simplify right side
    529,077.60x = 208,967,360,656.32
  5. Step 5: Solve for x
    x = 208,967,360,656.32/529,077.60
  6. Step 6: Final answer
    x = 394,965.43

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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.