Home / 1,628,066.40-2,246,869.62-903,147.66

Finding the Fourth Proportional to 1,628,066.40, 2,246,869.62 and 903,147.66

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Solution

The fourth proportional to 1,628,066.40, 2,246,869.62 and 903,147.66 is: 1,246,420.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,066.40 : 2,246,869.62 = 903,147.66 : x
  2. Step 2: Convert to fraction form
    1,628,066.40/2,246,869.62 = 903,147.66/x
  3. Step 3: Cross multiply
    1,628,066.40x = 2,246,869.62 × 903,147.66
  4. Step 4: Simplify right side
    1,628,066.40x = 2,029,255,039,628.09
  5. Step 5: Solve for x
    x = 2,029,255,039,628.09/1,628,066.40
  6. Step 6: Final answer
    x = 1,246,420.32

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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.