Home / 1,821,719.40-2,732,579.10-639,767.40

Finding the Fourth Proportional to 1,821,719.40, 2,732,579.10 and 639,767.40

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Solution

The fourth proportional to 1,821,719.40, 2,732,579.10 and 639,767.40 is: 959,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,719.40 : 2,732,579.10 = 639,767.40 : x
  2. Step 2: Convert to fraction form
    1,821,719.40/2,732,579.10 = 639,767.40/x
  3. Step 3: Cross multiply
    1,821,719.40x = 2,732,579.10 × 639,767.40
  4. Step 4: Simplify right side
    1,821,719.40x = 1,748,215,026,101.34
  5. Step 5: Solve for x
    x = 1,748,215,026,101.34/1,821,719.40
  6. Step 6: Final answer
    x = 959,651.10

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Similar ratio
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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.