Home / 773,936.43-1,159,529.80-660,465.15

Finding the Fourth Proportional to 773,936.43, 1,159,529.80 and 660,465.15

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Solution

The fourth proportional to 773,936.43, 1,159,529.80 and 660,465.15 is: 989,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,936.43 : 1,159,529.80 = 660,465.15 : x
  2. Step 2: Convert to fraction form
    773,936.43/1,159,529.80 = 660,465.15/x
  3. Step 3: Cross multiply
    773,936.43x = 1,159,529.80 × 660,465.15
  4. Step 4: Simplify right side
    773,936.43x = 765,829,023,286.47
  5. Step 5: Solve for x
    x = 765,829,023,286.47/773,936.43
  6. Step 6: Final answer
    x = 989,524.45

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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.