Home / 1,904,967.60-2,857,451.40-839,461.20

Finding the Fourth Proportional to 1,904,967.60, 2,857,451.40 and 839,461.20

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Solution

The fourth proportional to 1,904,967.60, 2,857,451.40 and 839,461.20 is: 1,259,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,967.60 : 2,857,451.40 = 839,461.20 : x
  2. Step 2: Convert to fraction form
    1,904,967.60/2,857,451.40 = 839,461.20/x
  3. Step 3: Cross multiply
    1,904,967.60x = 2,857,451.40 × 839,461.20
  4. Step 4: Simplify right side
    1,904,967.60x = 2,398,719,581,185.68
  5. Step 5: Solve for x
    x = 2,398,719,581,185.68/1,904,967.60
  6. Step 6: Final answer
    x = 1,259,191.80

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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.