Home / 1,646,924.81-2,469,121.38-836,643.06

Finding the Fourth Proportional to 1,646,924.81, 2,469,121.38 and 836,643.06

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Solution

The fourth proportional to 1,646,924.81, 2,469,121.38 and 836,643.06 is: 1,254,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,924.81 : 2,469,121.38 = 836,643.06 : x
  2. Step 2: Convert to fraction form
    1,646,924.81/2,469,121.38 = 836,643.06/x
  3. Step 3: Cross multiply
    1,646,924.81x = 2,469,121.38 × 836,643.06
  4. Step 4: Simplify right side
    1,646,924.81x = 2,065,773,266,874.62
  5. Step 5: Solve for x
    x = 2,065,773,266,874.62/1,646,924.81
  6. Step 6: Final answer
    x = 1,254,321.55

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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.