Home / 810,488.49-1,118,628.66-534,361.51

Finding the Fourth Proportional to 810,488.49, 1,118,628.66 and 534,361.51

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Solution

The fourth proportional to 810,488.49, 1,118,628.66 and 534,361.51 is: 737,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,488.49 : 1,118,628.66 = 534,361.51 : x
  2. Step 2: Convert to fraction form
    810,488.49/1,118,628.66 = 534,361.51/x
  3. Step 3: Cross multiply
    810,488.49x = 1,118,628.66 × 534,361.51
  4. Step 4: Simplify right side
    810,488.49x = 597,752,099,886.88
  5. Step 5: Solve for x
    x = 597,752,099,886.88/810,488.49
  6. Step 6: Final answer
    x = 737,520.78

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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.