Home / 1,616,850.40-2,231,157.18-928,634.31

Finding the Fourth Proportional to 1,616,850.40, 2,231,157.18 and 928,634.31

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Solution

The fourth proportional to 1,616,850.40, 2,231,157.18 and 928,634.31 is: 1,281,460.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,850.40 : 2,231,157.18 = 928,634.31 : x
  2. Step 2: Convert to fraction form
    1,616,850.40/2,231,157.18 = 928,634.31/x
  3. Step 3: Cross multiply
    1,616,850.40x = 2,231,157.18 × 928,634.31
  4. Step 4: Simplify right side
    1,616,850.40x = 2,071,929,108,350.85
  5. Step 5: Solve for x
    x = 2,071,929,108,350.85/1,616,850.40
  6. Step 6: Final answer
    x = 1,281,460.00

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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.