Home / 935,393.85-1,290,812.09-591,414.93

Finding the Fourth Proportional to 935,393.85, 1,290,812.09 and 591,414.93

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Solution

The fourth proportional to 935,393.85, 1,290,812.09 and 591,414.93 is: 816,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,393.85 : 1,290,812.09 = 591,414.93 : x
  2. Step 2: Convert to fraction form
    935,393.85/1,290,812.09 = 591,414.93/x
  3. Step 3: Cross multiply
    935,393.85x = 1,290,812.09 × 591,414.93
  4. Step 4: Simplify right side
    935,393.85x = 763,405,538,893.43
  5. Step 5: Solve for x
    x = 763,405,538,893.43/935,393.85
  6. Step 6: Final answer
    x = 816,132.73

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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.