Home / 769,713.30-1,062,205.92-430,181.46

Finding the Fourth Proportional to 769,713.30, 1,062,205.92 and 430,181.46

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Solution

The fourth proportional to 769,713.30, 1,062,205.92 and 430,181.46 is: 593,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,713.30 : 1,062,205.92 = 430,181.46 : x
  2. Step 2: Convert to fraction form
    769,713.30/1,062,205.92 = 430,181.46/x
  3. Step 3: Cross multiply
    769,713.30x = 1,062,205.92 × 430,181.46
  4. Step 4: Simplify right side
    769,713.30x = 456,941,293,486.24
  5. Step 5: Solve for x
    x = 456,941,293,486.24/769,713.30
  6. Step 6: Final answer
    x = 593,651.29

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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.