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Finding the Fourth Proportional to 1,759,761, 2,428,470.18 and 954,945

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Solution

The fourth proportional to 1,759,761, 2,428,470.18 and 954,945 is: 1,317,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,761 : 2,428,470.18 = 954,945 : x
  2. Step 2: Convert to fraction form
    1,759,761/2,428,470.18 = 954,945/x
  3. Step 3: Cross multiply
    1,759,761x = 2,428,470.18 × 954,945
  4. Step 4: Simplify right side
    1,759,761x = 2,319,055,456,040.10
  5. Step 5: Solve for x
    x = 2,319,055,456,040.10/1,759,761
  6. Step 6: Final answer
    x = 1,317,824.10

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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.