Home / 1,760,195.64-2,639,870.58-812,656.44

Finding the Fourth Proportional to 1,760,195.64, 2,639,870.58 and 812,656.44

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Solution

The fourth proportional to 1,760,195.64, 2,639,870.58 and 812,656.44 is: 1,218,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,195.64 : 2,639,870.58 = 812,656.44 : x
  2. Step 2: Convert to fraction form
    1,760,195.64/2,639,870.58 = 812,656.44/x
  3. Step 3: Cross multiply
    1,760,195.64x = 2,639,870.58 × 812,656.44
  4. Step 4: Simplify right side
    1,760,195.64x = 2,145,307,827,603.54
  5. Step 5: Solve for x
    x = 2,145,307,827,603.54/1,760,195.64
  6. Step 6: Final answer
    x = 1,218,789.42

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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.