Home / 989,899.56-1,366,060.68-560,171.88

Finding the Fourth Proportional to 989,899.56, 1,366,060.68 and 560,171.88

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Solution

The fourth proportional to 989,899.56, 1,366,060.68 and 560,171.88 is: 773,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,899.56 : 1,366,060.68 = 560,171.88 : x
  2. Step 2: Convert to fraction form
    989,899.56/1,366,060.68 = 560,171.88/x
  3. Step 3: Cross multiply
    989,899.56x = 1,366,060.68 × 560,171.88
  4. Step 4: Simplify right side
    989,899.56x = 765,228,779,309.68
  5. Step 5: Solve for x
    x = 765,228,779,309.68/989,899.56
  6. Step 6: Final answer
    x = 773,036.79

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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.