Home / 1,142,714.44-1,712,863.15-422,593.43

Finding the Fourth Proportional to 1,142,714.44, 1,712,863.15 and 422,593.43

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Solution

The fourth proportional to 1,142,714.44, 1,712,863.15 and 422,593.43 is: 633,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,714.44 : 1,712,863.15 = 422,593.43 : x
  2. Step 2: Convert to fraction form
    1,142,714.44/1,712,863.15 = 422,593.43/x
  3. Step 3: Cross multiply
    1,142,714.44x = 1,712,863.15 × 422,593.43
  4. Step 4: Simplify right side
    1,142,714.44x = 723,844,713,679.11
  5. Step 5: Solve for x
    x = 723,844,713,679.11/1,142,714.44
  6. Step 6: Final answer
    x = 633,443.22

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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.