Home / 773,743.82-1,160,086.34-393,929.60

Finding the Fourth Proportional to 773,743.82, 1,160,086.34 and 393,929.60

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Solution

The fourth proportional to 773,743.82, 1,160,086.34 and 393,929.60 is: 590,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,743.82 : 1,160,086.34 = 393,929.60 : x
  2. Step 2: Convert to fraction form
    773,743.82/1,160,086.34 = 393,929.60/x
  3. Step 3: Cross multiply
    773,743.82x = 1,160,086.34 × 393,929.60
  4. Step 4: Simplify right side
    773,743.82x = 456,992,343,066.06
  5. Step 5: Solve for x
    x = 456,992,343,066.06/773,743.82
  6. Step 6: Final answer
    x = 590,624.87

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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.