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Finding the Fourth Proportional to 1,759,555, 2,428,185.90 and 954,739

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Solution

The fourth proportional to 1,759,555, 2,428,185.90 and 954,739 is: 1,317,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,555 : 2,428,185.90 = 954,739 : x
  2. Step 2: Convert to fraction form
    1,759,555/2,428,185.90 = 954,739/x
  3. Step 3: Cross multiply
    1,759,555x = 2,428,185.90 × 954,739
  4. Step 4: Simplify right side
    1,759,555x = 2,318,283,777,980.10
  5. Step 5: Solve for x
    x = 2,318,283,777,980.10/1,759,555
  6. Step 6: Final answer
    x = 1,317,539.82

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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.