Home / 1,384,902.81-1,911,261.96-773,175.83

Finding the Fourth Proportional to 1,384,902.81, 1,911,261.96 and 773,175.83

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Solution

The fourth proportional to 1,384,902.81, 1,911,261.96 and 773,175.83 is: 1,067,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,902.81 : 1,911,261.96 = 773,175.83 : x
  2. Step 2: Convert to fraction form
    1,384,902.81/1,911,261.96 = 773,175.83/x
  3. Step 3: Cross multiply
    1,384,902.81x = 1,911,261.96 × 773,175.83
  4. Step 4: Simplify right side
    1,384,902.81x = 1,477,741,542,714.12
  5. Step 5: Solve for x
    x = 1,477,741,542,714.12/1,384,902.81
  6. Step 6: Final answer
    x = 1,067,036.28

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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.