Home / 1,904,963.60-2,857,445.40-839,457.20

Finding the Fourth Proportional to 1,904,963.60, 2,857,445.40 and 839,457.20

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Solution

The fourth proportional to 1,904,963.60, 2,857,445.40 and 839,457.20 is: 1,259,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,963.60 : 2,857,445.40 = 839,457.20 : x
  2. Step 2: Convert to fraction form
    1,904,963.60/2,857,445.40 = 839,457.20/x
  3. Step 3: Cross multiply
    1,904,963.60x = 2,857,445.40 × 839,457.20
  4. Step 4: Simplify right side
    1,904,963.60x = 2,398,703,114,636.88
  5. Step 5: Solve for x
    x = 2,398,703,114,636.88/1,904,963.60
  6. Step 6: Final answer
    x = 1,259,185.80

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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.