Home / 989,893.56-1,366,052.40-560,165.88

Finding the Fourth Proportional to 989,893.56, 1,366,052.40 and 560,165.88

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Solution

The fourth proportional to 989,893.56, 1,366,052.40 and 560,165.88 is: 773,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,893.56 : 1,366,052.40 = 560,165.88 : x
  2. Step 2: Convert to fraction form
    989,893.56/1,366,052.40 = 560,165.88/x
  3. Step 3: Cross multiply
    989,893.56x = 1,366,052.40 × 560,165.88
  4. Step 4: Simplify right side
    989,893.56x = 765,215,944,772.11
  5. Step 5: Solve for x
    x = 765,215,944,772.11/989,893.56
  6. Step 6: Final answer
    x = 773,028.51

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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.